fix ios build wrt locale?

include/gpu/GrTypesPriv.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTypesPriv_DEFINED
 #define GrTypesPriv_DEFINED
 
@@ skipping 255 matching lines @@
 
 
 /**
  * Helper class for ensuring that we don't use the wrong locale when building shaders. Android
  * doesn't support locale in the NDK, so this is a no-op there.
  */
 #if !defined(SK_BUILD_FOR_ANDROID)
 #include <locale.h>
 #endif
 
-#if defined(SK_BUILD_FOR_MAC)
+#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
 #include <xlocale.h>
 #endif
 
 class GrAutoLocaleSetter {
 public:
     GrAutoLocaleSetter (const char* name) {
 #if defined(SK_BUILD_FOR_WIN)
         fOldPerThreadLocale = _configthreadlocale(_ENABLE_PER_THREAD_LOCALE);
         fOldLocale = setlocale(LC_ALL, name);
 #elif !defined(SK_BUILD_FOR_ANDROID)
@@ skipping 18 matching lines @@
 #if defined(SK_BUILD_FOR_WIN)
     int fOldPerThreadLocale;
     const char* fOldLocale;
 #elif !defined(SK_BUILD_FOR_ANDROID)
     locale_t fOldLocale;
     locale_t fLocale;
 #endif
 };
 
 #endif