make the lib self contained .a files

BUG=none
TEST=try
Review URL: https://webrtc-codereview.appspot.com/1380004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@682 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 681
+Version: 682
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 681
+#define LIBYUV_VERSION 682
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

libyuv.gyp

@@ -15,6 +15,8 @@
       'target_name': 'libyuv',
       # Change type to 'shared_library' to build .so or .dll files.
       'type': 'static_library',
+      # Allows libyuv.a redistributable library without external dependencies.
+      'standalone_static_library': 1,
       'conditions': [
         # TODO(fbarchard): Use gyp define to enable jpeg.
         [ 'OS != "ios"', {

source/scale_argb.cc

@@ -1059,7 +1059,6 @@ static void ScaleARGBAnySize(int src_width, int src_height,
 }
 
 // ScaleARGB a ARGB.
-//
 // This function in turn calls a scaling function
 // suitable for handling the desired resolutions.
 
@@ -1070,7 +1069,7 @@ static void ScaleARGB(const uint8* src, int src_stride,
                       FilterMode filtering) {
 #ifdef CPU_X86
   // environment variable overrides for testing.
-  char *filter_override = getenv("LIBYUV_FILTER");
+  char* filter_override = getenv("LIBYUV_FILTER");
   if (filter_override) {
     filtering = (FilterMode)atoi(filter_override);  // NOLINT
   }