Log Message:
curl: Update to 7.72.0

pkgsrc changes:
 - Add test dependency to Python and py-impacket for SMB and TELNET tests

Changes:
7.72.0
------
This release includes the following changes:
 o content_encoding: add zstd decoding support
 o CURL_PUSH_ERROROUT: allow the push callback to fail the parent stream
 o CURLINFO_EFFECTIVE_METHOD: added

This release includes the following bugfixes:
 o CVE-2020-8231: libcurl: wrong connect-only connection
 o appveyor: collect libcurl.dll variants with prefix or suffix
 o asyn-ares: correct some bad comments
 o bearssl: fix build with disabled proxy support
 o buildconf: avoid array concatenation in die()
 o buildconf: retire ares buildconf invocation
 o checksrc: ban gmtime/localtime
 o checksrc: invoke script with -D to find .checksrc proper
 o CI/azure: install libssh2 for use with msys2-based builds
 o CI/azure: unconditionally enable warnings-as-errors with autotools
 o CI/macos: enable warnings as errors for CMake builds
 o CI/macos: set minimum macOS version
 o CI/macos: unconditionally enable warnings-as-errors with autotools
 o CI: Add muse CI analyzer
 o cirrus-ci: upgrade 11-STABLE to 11.4
 o CMake: don't complain about missing nroff
 o CMake: fix test for warning suppressions
 o cmake: fix windows xp build
 o configure.ac: Sort features name in summary
 o configure: allow disabling warnings
 o configure: cleanup wolfssl + pkg-config conflicts when cross compiling.
 o configure: show zstd "no" in summary when built without it
 o connect: remove redundant message about connect failure
 o curl-config: ignore REQUIRE_LIB_DEPS in --libs output
 o curl.1: add a few missing valid exit codes
 o curl: add %{method} to the -w variables
 o curl: improve the existing file check with -J
 o curl_multi_setopt: fix compiler warning "result is always false"
 o curl_version_info.3: CURL_VERSION_KERBEROS4 is deprecated
 o CURLINFO_CERTINFO.3: fix typo
 o CURLOPT_NOBODY.3: clarify what setting to 0 means
 o docs: add date of 7.20 to CURLM_CALL_MULTI_PERFORM mentions
 o docs: Add video link to docs/CONTRIBUTE.md
 o docs: change "web site" to "website"
 o docs: clarify MAX_SEND/RECV_SPEED functionality
 o docs: Update a few leftover mentions of DarwinSSL
 o doh: remove redundant cast
 o file2memory: use a define instead of -1 unsigned value
 o ftp: don't do ssl_shutdown instead of ssl_close
 o ftpserver: don't verify SMTP MAIL FROM names
 o getinfo: reset retry-after value in initinfo
 o gnutls: repair the build with `CURL_DISABLE_PROXY`
 o gtls: survive not being able to get name/issuer
 o h2: repair trailer handling
 o http2: close the http2 connection when no more requests may be sent
 o http2: fix nghttp2_strerror -> nghttp2_http2_strerror in debug messages
 o libssh2: s/ssherr/sftperr/
 o libtest/Makefile.am: add -no-undefined for libstubgss for Cygwin
 o md(4|5): don't use deprecated macOS functions
 o mprintf: Fix dollar string handling
 o mprintf: Fix stack overflows
 o multi: Condition 'extrawait' is always true
 o multi: Remove 10-year old out-commented code
 o multi: remove two checks always true
 o multi: update comment to say easyp list is linear
 o multi_remove_handle: close unused connect-only connections
 o ngtcp2: adapt to error code rename
 o ngtcp2: adjust to recent sockaddr updates
 o ngtcp2: update to modified qlog callback prototype
 o nss: fix build with disabled proxy support
 o ntlm: free target_info before (re-)malloc
 o openssl: fix build with LibreSSL < 2.9.1
 o page-header: provide protocol details in the curl.1 man page
 o quiche: handle calling disconnect twice
 o runtests.pl: treat LibreSSL and BoringSSL as OpenSSL
 o runtests: move the gnutls-serv tests to a dynamic port
 o runtests: move the smbserver to use a dynamic port number
 o runtests: move the TELNET server to a dynamic port
 o runtests: run the DICT server on a random port number
 o runtests: run the http2 tests on a random port number
 o runtests: support dynamicly base64 encoded sections in tests
 o setopt: unset NOBODY switches to GET if still HEAD
 o smtp_parse_address: handle blank input string properly
 o socks: use size_t for size variable
 o strdup: remove the odd strlen check
 o test1119: verify stdout in the test
 o test1139: make it display the difference on test failures
 o test1140: compare stdout
 o test1908: treat file as text
 o tests/FILEFORMAT.md: mention %HTTP2PORT
 o tests/sshserver.pl: fix compatibility with OpenSSH for Windows
 o TLS naming: fix more Winssl and Darwinssl leftovers
 o tls-max.d: this option is only for TLS-using connections
 o tlsv1.3.d. only for TLS-using connections
 o tool_doswin: Simplify Windows version detection
 o tool_getparam: make --krb option work again
 o TrackMemory tests: ignore realloc and free in getenv.c
 o transfer: fix data_pending for builds with both h2 and h3 enabled
 o transfer: fix memory-leak with CURLOPT_CURLU in a duped handle
 o transfer: move retrycount from connect struct to easy handle
 o travis/script.sh: fix use of `-n' with unquoted envvar
 o travis: add ppc64le and s390x builds
 o travis: update quiche builds for new boringssl layout
 o url: fix CURLU and location following
 o url: silence MSVC warning
 o util: silence conversion warnings
 o win32: Add Curl_verify_windows_version() to curlx
 o WIN32: stop forcing narrow-character API
 o windows: add unicode to feature list
 o windows: disable Unix Sockets for old mingw