• view_all_inc.php:
  Use new function file_bug_attachment_count() instead of file_bug_has_attachments()

• core/file_api.php:
  Created new function file_bug_attachment_count() and restored
  file_bug_has_attachments() to behave as expected.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2137 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9