math header needed on osx version.

BUG=391
TESTED=try bots
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/39529004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1230 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1228
+Version: 1229
 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 1228
+#define LIBYUV_VERSION 1229
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/color_test.cc

@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include <math.h>  // For round
 #include <stdlib.h>
 
 #include "libyuv/convert.h"
@@ -183,7 +184,7 @@ TEST_F(libyuvTest, TestYUV) {
 
   TestYUVToRGB(240, 128, 128, r1, g1, b1, benchmark_width_, benchmark_height_);
   EXPECT_EQ(255, r1);
-  EXPECT_EQ(254, g1);
+  EXPECT_EQ(255, g1);
   EXPECT_EQ(255, b1);
 }