*gpc_api.php
(gpc_get_file): new function to get a file variables from $_FILES
(gpc_strip_slashes): use foreach instead of for so it works with associative arrays (no numeric indexes)

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1493 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9