r=sspitzer a=mscott.

mailnews/base/util/nsMsgDBFolder.h

@@ -106,6 +106,7 @@ protected:
 
   static nsIAtom* mFolderLoadedAtom;
   static nsIAtom* mDeleteOrMoveMsgCompletedAtom;
+  static nsIAtom* mDeleteOrMoveMsgFailedAtom;
 
 private:
   static nsrefcnt mInstanceCount;