Bug 237437 Fix JS strict warning: anonymous function does not always return a value p=gautheri@noos.fr r=me sr=mscott a=mkaply

mailnews/addrbook/resources/content/abDragDrop.js

@@ -88,11 +88,8 @@ var abDirTreeObserver = {
       // check if we can write to the target directory 
       // LDAP is readonly
       var targetDirectory = GetDirectoryFromURI(targetURI);
-      if (!targetDirectory.isMailList && 
-          (!(targetDirectory.operations & targetDirectory.opWrite)))
-        return false;      
-      
-      return true;
+      return (targetDirectory.isMailList ||
+              (targetDirectory.operations & targetDirectory.opWrite));
     },
 
     canDropBeforeAfter: function(index, before)
@@ -103,7 +100,7 @@ var abDirTreeObserver = {
     {
       var dragSession = dragService.getCurrentSession();
       if (!dragSession)
-        return false;
+        return;
       
       var trans = Components.classes["@mozilla.org/widget/transferable;1"].createInstance(Components.interfaces.nsITransferable);
       trans.addDataFlavor("moz/abcard");
@@ -171,7 +168,6 @@ var abDirTreeObserver = {
         var statusText = document.getElementById("statusText");
         statusText.setAttribute("label", cardsCopiedText);        
       }
-
     },
 
     onToggleOpenState: function()