Log Message:
devel/libbsd: update to version 0.11.7

 # Changes (local):
 * Add new dependency on devel/libmd.
 * Rework buildlink file to use overly linking mode.
 * Add a test target for regression tests.
 * Update licese.
 * Fix bug with Makefile caused by lack of an implicit
   $(RM) variable in bmake.

# Changes (upstream):

* libbsd 0.11.7
  - Portability fixes for the Hurd.
  - Fix ELF support for big endian SH.
  - Sync the arc4random(3) implementation from OpenBSD.
  - Adjust declaration shadowing to match new glibc additions.
  - Manual pages and documentation cleanups.
  - Document non-overlay mode as discouraged, future releases might emit
    warnings when using it.

* libbsd 0.11.6
  - Build system and test suite fixes for musl.
  - Remove arc4random() support for OpenBSD.
  - LoongArch support for nlist().

* libbsd-0.11.5
  - Build system and test suite regression fixes.
  - Documentation on how to build the project.

* libbsd 0.11.4
  - Fix build on GNU/kFreeBSD due to missing linking against libmd.
  - Fix build with LTO.
  - Add link-time warnings to MD5 wrapper functions
  - Various build system fixes.
  - Various portability fixes.
  - Various documentation fixes.

* libbsd 0.11.3
  - Rework of the libmd wrapping code to not require users to explicitly
    link against libmd.
  - Switch libmd wrapper to use dlsym()
  - Various build system fixes.
  - Various portability fixes.

* libbsd 0.11.2
  - Update <sys/queue.h> from FreeBSD.
  - Import some closefrom() changes from sudo.
  - Make closefrom() use close_range() syscall on Linux when available.
  - Update libbsd(7) man page with updates in 0.11.0.

* libbsd 0.11.1
  - Export provided function strnvisx().
  - New recallocarray() and freezero() from OpenBSD.
  - New pwcache module from OpenBSD.
  - New timespec(3bsd) man page alias to timeval(3bsd).
  - New progname implementation for Windows.
  - New LIBBSD_VIS_OPENBSD selection macro.
  - Switch from embedded hashing function implementations to use libmd.
  - Various man pages cleanups.
  - Various portability fixes.
  - Various memory leak fixes.

* libbsd 0.10.0
  - Several security related fixes for nlist()
  - Fix for a leak in the vis family of functions.
  - Fix for a configure check to not unnecessarily link against librt.
  - General portability fixes for musl, uClibc, macOS and GNU/kFreeBSD.
  - New architectures support for nlist().
  - Switch the <err.h> *c() functions to be standalone and add err(),
    warn(), errx() and warnx() familiy of functions in case the system
    lacks them.
  - Several man page fixes.