Bug 145671. JS Strict warnings in addressingWidgetOverlay.js. Patch by Henrik Gemal <gemal@gemal.dk> r=ducarroz@netscape.com, sr=hewitt@netscape.com

mailnews/compose/resources/content/addressingWidgetOverlay.js

@@ -44,7 +44,7 @@ var gNumberOfCols = 0;
 
 var gDragService = Components.classes["@mozilla.org/widget/dragservice;1"].getService();
 gDragService = gDragService.QueryInterface(Components.interfaces.nsIDragService);
-gMimeHeaderParser = null;
+var gMimeHeaderParser = null;
 
 /**
  * global variable inherited from MsgComposeCommands.js