srpcgen: Use 'const char*' for string parameters

ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h

Index: ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h b/ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h
index 718045aca16a95ba4dedcc47d38608e72ccf0a7f..711a82b381a05681fd7fef7f01833ebff0e3965e 100644
--- a/ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h
+++ b/ppapi/native_client/src/shared/ppapi_proxy/trusted/srpcgen/ppp_rpc.h
@@ -1,4 +1,4 @@
-// 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.
 //
@@ -40,14 +40,14 @@ class PppRpcClient {
       int32_t pid,
       PP_Module module,
       NaClSrpcImcDescType upcall_channel_desc,
-      char* service_description,
+      const char* service_description,
       int32_t* nacl_pid,
       int32_t* success);
   static NaClSrpcError PPP_ShutdownModule(
       NaClSrpcChannel* channel);
   static NaClSrpcError PPP_GetInterface(
       NaClSrpcChannel* channel,
-      char* interface_name,
+      const char* interface_name,
       int32_t* exports_interface_name);
 
  private: