fix build bustage

mailnews/local/src/nsLocalMailFolder.cpp

@@ -2240,8 +2240,6 @@ NS_IMETHODIMP nsMsgLocalMailFolder::GetNewMessages(nsIMsgWindow *aWindow, nsIUrl
   {
     PRUint32 numFolders;
     rv = rootFolder->GetFoldersWithFlag(MSG_FOLDER_FLAG_INBOX, 1, &numFolders, getter_AddRefs(inbox));
-    if (!inbox)
-
   }
   nsCOMPtr<nsIMsgLocalMailFolder> localInbox = do_QueryInterface(inbox, &rv);
   if (NS_SUCCEEDED(rv) && localInbox)