modified nacl_sync.h to have NACL_WUR for all functions that return a

src/trusted/desc/nacl_desc_wrapper.cc

Index: src/trusted/desc/nacl_desc_wrapper.cc
===================================================================
--- src/trusted/desc/nacl_desc_wrapper.cc	(revision 5177)
+++ src/trusted/desc/nacl_desc_wrapper.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Native Client Authors. All rights reserved.
+// Copyright (c) 2011 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -83,7 +83,7 @@
 
  private:
   DescWrapperCommon() : is_initialized_(false), ref_count_(1) {
-    NaClMutexCtor(&ref_count_mu_);
+    NaClXMutexCtor(&ref_count_mu_);
   }
   ~DescWrapperCommon() {
     if (is_initialized_) {