File dx-4.4.4-return_value.patch of Package dx

--- src/uipp/dxuilib/UndoMove.C
+++ src/uipp/dxuilib/UndoMove.C
@@ -154,6 +154,7 @@
 	    return dec;
 	}
     }
+ return NULL; /* Added to avoid gcc warning. Suggesting while will ends succesfully. */
 }
 
 boolean UndoDecoratorMove::canUndo()