Fixed 0003539: Simple view page shows advanced custom fields.

M bug_view_page.php

• The custom field definition was used before it is retrieved.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2325 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9