Internet Bug Bounty: Free called on unitialized pointer in exif.c

This bug was reported directly to php: https://bugs.php.net/bug.php?id=68799 It has been patched in the 5.4, 5.5 and 5.6 branch. 5.4 branch http://git.php.net/?p=php-src.git;a=commit;h=2fc178cf448d8e1b95d1314e47eeef610729e0df 5.5 branch...