change emacs headers to use C++ instead of IDL and add newline to bottom of files

git-svn-id: svn://10.0.0.236/trunk@49238 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/appshell/eventloop/xp/nsCBaseThreadLoop.cpp

@@ -1,4 +1,4 @@
-/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
  *
  * The contents of this file are subject to the Mozilla Public
  * License Version 1.1 (the "License"); you may not use this file
@@ -37,4 +37,4 @@ nsCBaseThreadLoop::nsCBaseThreadLoop() :
 
 nsCBaseThreadLoop::~nsCBaseThreadLoop()
 {
-}
+}