Pepper SRPC proxy style and type nits

ppapi/native_client/src/shared/ppapi_proxy/plugin_nacl_file.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/include/nacl_macros.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_callback.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
 #include "native_client/src/shared/ppapi_proxy/plugin_nacl_file.h"
 #include "native_client/src/shared/ppapi_proxy/utility.h"
 #include "native_client/src/shared/srpc/nacl_srpc.h"
 #include "ppapi/c/pp_errors.h"
 #include "srpcgen/ppb_rpc.h"
 
 namespace ppapi_proxy {
 
 int32_t StreamAsFile(PP_Instance instance,
                      const char* url,
                      struct PP_CompletionCallback callback) {
-  DebugPrintf("NaClFile::StreamAsFile: instance=%"NACL_PRIu32" url=%s\n",
+  DebugPrintf("NaClFile::StreamAsFile: instance=%"NACL_PRId32" url=%s\n",
               instance, url);
 
   int32_t callback_id =
       CompletionCallbackTable::Get()->AddCallback(callback);
   if (callback_id == 0)
     return PP_ERROR_BLOCKS_MAIN_THREAD;
 
   NaClSrpcError srpc_result = NaClFileRpcClient::StreamAsFile(
       GetMainSrpcChannel(), instance, const_cast<char*>(url), callback_id);
   DebugPrintf("NaClFile::StreamAsFile: %s\n", NaClSrpcErrorString(srpc_result));
 
   if (srpc_result == NACL_SRPC_RESULT_OK)
     return PP_OK_COMPLETIONPENDING;
   return MayForceCallback(callback, PP_ERROR_FAILED);
 }
 
 
 int GetFileDesc(PP_Instance instance, const char* url) {
-  DebugPrintf("NaClFile::GetFileDesc: instance=%"NACL_PRIu32" url=%s\n",
+  DebugPrintf("NaClFile::GetFileDesc: instance=%"NACL_PRId32" url=%s\n",
               instance, url);
 
   int file_desc;
   NaClSrpcError srpc_result = NaClFileRpcClient::GetFileDesc(
       GetMainSrpcChannel(), instance, const_cast<char*>(url), &file_desc);
   DebugPrintf("NaClFile::GetFileDesc: %s\n", NaClSrpcErrorString(srpc_result));
 
   if (srpc_result == NACL_SRPC_RESULT_OK)
     return file_desc;
   return NACL_NO_FILE_DESC;
 }
 
 }  // namespace ppapi_proxy