Log Message:
Update to 1.4.8:

Changes for APR 1.4.8

  *) Fix compiltation with FreeBSD on ARM.  [Olli Hauer <ohauer gmx.de>]

  *) Fix 1.4.7 regression in apr_mcast_hops() and apr_mcast_loopback()
     for AF_INET (IPv4) sockets on most Unix platforms.  [Joe Orton]

  *) Fix the return value of apr_threadattr_detach_get() on some
     platforms like OS X and Solaris. [Rainer Jung, <dusanv gmail com>]

Changes for APR 1.4.7

  *) Fix apr_sockaddr_info_get() not returning an error in some cases.
     PR 54779. [Jan Kaluža <jkaluza redhat com>]

  *) Fix amd64 assembler version of apr_atomic_xchgptr(). PR 51851. [Mattias
     Engdegård <mattiase acm org>]

  *) Fix PPC atomics to work with gcc 4.0. PR 54840. [Mattias Engdegård
     <mattiase acm org>]

  *) configure: Fix detection of O_NONBLOCK inheritance on busy
     systems.  [Rainer Jung]

  *) Remove unused code, fix strict C compliance bug in SHA-256
     implementation.  [Jan Kaluza <jkaluza redhat.com>]

  *) Fix apr_ipsubnet_test() false positives when comparing IPv4
     subnet representation against an IPv6 address.  PR 54047.  [Joe Orton]

  *) apr_socket_accept_filter: Return success when trying to again set
     the filter to the same value as before, avoiding an unhelpful
     APR_EINVAL.  PR 37863.  [Jeff Trawick]

  *) configure: Fix Linux 3.x detection. PR 54001. [Gilles Espinasse
     <g esp free fr>]

  *) apr_time_exp_*() on Windows: Fix error in the tm_yday field of
     apr_time_exp_t for times within leap years.  PR 53175.
     [Jeff Trawick]

  *) Improve platform detection by updating config.guess and config.sub.
     [Rainer Jung]

  *) Add support for OSX Mountain Lion (10.8) [Jim Jagielski]

  *) Add various gcc function attributes. [Stefan Fritsch]

  *) Fix some problems in apr_sockaddr_info_get() when trying to resolve
     the loopback addresses of a protocol family that is not otherwise
     configured on the system. PR 52709. [Nirgal Vourgère
     <jmv_deb nirgal com>, Stefan Fritsch]

  *) Fix file not being unlocked if truncate call on a file fails.
     [Mladen Turk]

  *) apr_mcast_hops: Fix EINVAL for IPv6 sockets caused by using byte
     instead integer for setsockopt. [Mladen Turk]

  *) Windows: Fix compile-time checks for 64-bit builds, resolving a
     crash in httpd's mod_rewrite.  PR 49155.  [<anindyabaruah gmail.com>]