Fixed 0008492: Add attachment succeeds but creates broken attachment if upload path not found.
Fixed 0008493: Attachments created via SOAP API don't owner attachments_file_permissions config option.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@4654 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9