Pepper SRPC proxy style and type nits

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_zoom.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/plugin_ppb_zoom.h"
 
 #include "native_client/src/include/portability.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/utility.h"
 #include "ppapi/c/dev/ppb_zoom_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "srpcgen/ppb_rpc.h"
 
 namespace ppapi_proxy {
 
 namespace {
 
 void ZoomChanged(PP_Instance instance,
                     double factor) {
   DebugPrintf("PPB_Zoom::ZoomChanged: "
-              "instance=%"NACL_PRIu32"\n", instance);
+              "instance=%"NACL_PRId32"\n", instance);
 
   NaClSrpcError srpc_result =
       PpbZoomRpcClient::PPB_Zoom_ZoomChanged(
           GetMainSrpcChannel(),
           instance,
           factor);
 
   DebugPrintf("PPB_Zoom::ZoomChanged: %s\n",
               NaClSrpcErrorString(srpc_result));
 }
 
 void ZoomLimitsChanged(PP_Instance instance,
                        double minimum_factor,
                        double maximum_factor) {
   DebugPrintf("PPB_Zoom::ZoomLimitsChanged: "
-              "instance=%"NACL_PRIu32"\n", instance);
+              "instance=%"NACL_PRId32"\n", instance);
 
   NaClSrpcError srpc_result =
       PpbZoomRpcClient::PPB_Zoom_ZoomLimitsChanged(
           GetMainSrpcChannel(),
           instance,
           minimum_factor,
           maximum_factor);
 
   DebugPrintf("PPB_Zoom::ZoomLimitsChanged: %s\n",
               NaClSrpcErrorString(srpc_result));
 }
 
 }  // namespace
 
 const PPB_Zoom_Dev* PluginZoom::GetInterface() {
   static const PPB_Zoom_Dev zoom_interface = {
     ZoomChanged,
     ZoomLimitsChanged
   };
   return &zoom_interface;
 }
 
 }  // namespace ppapi_proxy
-
-