Bug 609632 - More embarrassments, shame on me; a=shameful-ehsan

editor/libeditor/html/nsHTMLDataTransfer.cpp

@@ -1332,7 +1332,7 @@ NS_IMETHODIMP nsHTMLEditor::InsertFromTransferable(nsITransferable *transferable
       {
         nsCOMPtr<nsIMIMEService> mime = do_GetService("@mozilla.org/mime;1");
         NS_ENSURE_TRUE(mime, NS_ERROR_FAILURE);
-        nsCString contentType;
+        nsCAutoString contentType;
         rv = mime->GetTypeFromFile(fileObj, contentType);
         NS_ENSURE_SUCCESS(rv, rv);