Bug 350661 --> recent folder mvoes should move not copy.

mail/base/content/mailWindowOverlay.xul

@@ -485,7 +485,7 @@
             <rule nc:CanFileMessages="true">
               <menupopup>
                 <menuitem uri="..." class="folderMenuItem menuitem-iconic" label="rdf:http://home.netscape.com/NC-rdf#Name" 
-                  oncommand="MsgCopyMessage(event.target.id)" 
+                  oncommand="MsgMoveMessage(event.target.id)" 
                   SpecialFolder="rdf:http://home.netscape.com/NC-rdf#SpecialFolder"
                   BiffState="rdf:http://home.netscape.com/NC-rdf#BiffState"
                   IsServer="rdf:http://home.netscape.com/NC-rdf#IsServer"