Fix js strict warning about function not always returning a value...

editor/ui/dialogs/content/EdDialogCommon.js

@@ -285,6 +285,7 @@ function ConfirmWithTitle(title, message, okButtonText, cancelButtonText)
                             okButtonText, cancelButtonText, null, null, {value:0}, result);
     return (result.value == 0);      
   }
+  return false;
 }
 
 function GetString(name)

xpfe/components/history/resources/history.js

@@ -223,6 +223,7 @@ var historyDNDObserver = {
         aXferData.data.addDataForFlavour("text/unicode", url);
         aXferData.data.addDataForFlavour("text/html", htmlString);
         aXferData.data.addDataForFlavour("text/x-moz-url", url + "\n" + title);
+        return true;
     }
 };