Update "apr" package to version 1.4.2. Changes since version 1.4.4:
- Reimplement apr_fnmatch() from scratch using a non-recursive
  algorithm; now has improved compliance with the fnmatch() spec.
  [William Rowe]
- Fix environment-related crash using some non-standard builds on
  Windows 7/Server 2008.  [Steve Hay <SteveHay planit.com>]
- poll, pollset, pollcb on Windows: Handle calls with no file/socket
  descriptors.  Bug 49882.  [Stefan Ruppert <sr myarm.com>, Jeff Trawick]
- Fix APR_IPV6_V6ONLY issues on Windows related to run-time behavior
  on Windows older than Vista and SDK/MinGW levels without IPV6_V6ONLY.
  Bug 45321.  [Sob <sob hisoftware.cz>]
- Fix address handling when accepting an AF_INET socket from a socket
  bound as AF_INET6.  Bug 49678.  [Joe Orton]
- Fix error return values from apr_sockaddr_info_get() on Windows for
  IPv6 builds.  [Ivan Zhakov <ivan visualsvn.com>]
- Add new experimental configure option --enable-allocator-uses-mmap to
  use mmap instead of malloc in apr_allocator_alloc(). This greatly reduces
  memory fragmentation with malloc implementations (e.g. glibc) that
  don't handle allocationss of a page-size-multiples in an efficient way.
  It also makes apr_allocator_max_free_set() actually have some effect
  on such platforms. [Stefan Fritsch]
- configure: Support 64 and 32 bit universal builds for Darwin/
  OS X 10.6+. [Jim Jagielski]
- apr_sockaddr_info_get() on AIX: Fix a problem which could set
  the port field in the native socket address to 1 when 0 was
  specified.  Bug 46964.  [Jeff Trawick]
- configure: Make definition of apr_ino_t independent of
  _FILE_OFFSET_BITS even on platforms where ino_t is 'unsigned int'.
  [Stefan Fritsch]
- apr_ring: Workaround for aliasing problem that causes gcc 4.5 to
  miscompile some brigade related code. Bug 50190. [Stefan Fritsch]
- apr_file_flush_locked(): Handle short writes. [Stefan Fritsch]
- apr_pollset_create_ex(): Trap errors from pollset providers.
  Bug 49094.  [Sami Tolvanen <sami.tolvanen mywot.com>]
- apr_pollset_create*(): Fix memory lifetime problem with the wakeup
  pipe when the pollset was created with APR_POLLSET_NOCOPY.
  [Neil Conway <nrc cs.berkeley.edu>]
- Fix detection of some Linux variants when configure is built with
  recent GNU tools.  [Eric Covener]
- Avoid a redundant fcntl() call in apr_file_open() where O_CLOEXEC
  is supported.  Bug 46297.  [Joe Orton]
- Improve platform detection by updating config.guess and config.sub.
  [Rainer Jung]

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