Pepper SRPC proxy style and type nits

ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_mouse_lock.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "native_client/src/shared/ppapi_proxy/browser_ppp_mouse_lock.h"
 
 #include "native_client/src/include/portability.h"
 #include "native_client/src/shared/ppapi_proxy/browser_globals.h"
 #include "native_client/src/shared/ppapi_proxy/utility.h"
 #include "ppapi/c/pp_instance.h"
 #include "srpcgen/ppp_rpc.h"
 
 namespace ppapi_proxy {
 
 namespace {
 
 void MouseLockLost(PP_Instance instance) {
-  DebugPrintf("PPP_MouseLock::MouseLockLost: instance=%"NACL_PRIu32"\n",
+  DebugPrintf("PPP_MouseLock::MouseLockLost: instance=%"NACL_PRId32"\n",
               instance);
 
   NaClSrpcError srpc_result =
       PppMouseLockRpcClient::PPP_MouseLock_MouseLockLost(
           GetMainSrpcChannel(instance),
           instance);
 
   DebugPrintf("PPP_MouseLock::MouseLockLost: %s\n",
               NaClSrpcErrorString(srpc_result));
 }
 
 }  // namespace
 
 const PPP_MouseLock* BrowserMouseLock::GetInterface() {
   static const PPP_MouseLock mouse_lock_interface = {
     MouseLockLost
   };
   return &mouse_lock_interface;
 }
 
 }  // namespace ppapi_proxy
-