Log Message:
Update "apr" package to version 1.3.3. Changes since version 1.3.5:
- Dropped kqueue and apr_poll detection from Mac OS/X 10.5/Darwin 9
  due to various reported problems.
- apr_strerror() on OS/2: Fix problem with calculating buffer size.
  Bug 45689.
- Prefer glibtool1/glibtoolize1.
- Fix buildconf with libtool 2.2.
- Fix a bug with the APR_DELONCLOSE flag. Child processes were (also)
  unlinking the file.
- Fix compilation error on systems that do not have IPV6.
  Bug 46601
- apr_socket_sendfile() on Solaris: Fix handling of files truncated
  after the sender determines the length.  (This fixes a busy loop in
  httpd when a file being served is truncated.)
- Fix documentation for apr_temp_dir_get().
  Bug 46303
- Add AC_MSG_RESULT after AC_MSG_CHECKING.
  Bug 46427
- Reset errno to zero in apr_strtoi64 to prevent returning an errno not
  equal zero in cases where the operation worked fine.
- Win32: Do not error out on apr_pollset_poll() when there are no sockets.
- Fix apr_tokenize_to_argv parsing. Bug 46128