Merge branch 'PHP-5.4' of git.php.net:php-src into PHP-5.4

* 'PHP-5.4' of git.php.net:php-src: (22 commits)
  Re-fixed bug #60901 (Improve "tail" syntax for AIX installation)
  update NEWS
  updated NEWS
  Fixed bug #63284 PCRE upgrade to 8.31
  preg indenpent test script for #63055
  Update libmagic.patch
  Add fix & missing fix
  Add fix & missing fix
  Fixed bug #63307 (Unused variable in oci8.c)
  Fixed bug #63265 (Add ORA-00028 to the PHP_OCI_HANDLE_ERROR macro)
  - Updated to version 2012.7 (2012g)
  SUpport newer bisons.
  Merge the fix for #61964 to 5.3, which will fix #63304
  indent
  better fix for #63055
  Fixed bug #63055 (Segfault in zend_gc with SF2 testsuite)
  I forgot that inconsistent is only avaliable in debug mode
  Add comments
  Fixed bug #63055 (Segfault in zend_gc with SF2 testsuite)
  PHP 5.3.18 NEWS
  ...