Fix append_fallback_font_families_for_locale.

src/ports/SkFontConfigParser_android.h

 /*
  * Copyright 2011 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SKFONTCONFIGPARSER_ANDROID_H_
 #define SKFONTCONFIGPARSER_ANDROID_H_
 
@@ skipping 83 matching lines @@
 
 namespace SkFontConfigParser {
 
 /** Parses system font configuration files and appends result to fontFamilies. */
 void GetSystemFontFamilies(SkTDArray<FontFamily*>& fontFamilies);
 
 /** Parses font configuration files and appends result to fontFamilies. */
 void GetCustomFontFamilies(SkTDArray<FontFamily*>& fontFamilies,
                            const SkString& basePath,
                            const char* fontsXml,
-                           const char* fallbackFontsXml);
+                           const char* fallbackFontsXml,
+                           const char* langFallbackFontsDir = NULL);
 
 } // SkFontConfigParser namespace
 
 #endif /* SKFONTCONFIGPARSER_ANDROID_H_ */