lrintf is not supported by visual studio 2010; replace instances of lrintf with a cast to int.

BUG=409
TESTED=python build\gyp_chromium -fninja -G msvs_version=2010 --depth=. libyuv_test.gyp
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/44569004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1312 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1311
+Version: 1312
 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 1311
+#define LIBYUV_VERSION 1312
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/color_test.cc

@@ -8,7 +8,6 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include <math.h>  // For lrintf
 #include <stdlib.h>
 
 #include "libyuv/convert.h"
@@ -185,7 +184,7 @@ static void YToRGB(int y, int* r, int* g, int* b) {
 }
 
 static int RoundToByte(double f) {
-  int i = lrintf(f);
+  int i = static_cast<int>(f + 0.5);
   if (i < 0) {
     i = 0;
   }

unit_test/convert_test.cc

@@ -8,7 +8,6 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include <math.h>  // For lrintf
 #include <stdlib.h>
 #include <time.h>
 
@@ -1364,7 +1363,7 @@ TEST_F(libyuvTest, TestYToARGB) {
   uint8 expectedg[32];
   for (int i = 0; i < 32; ++i) {
     y[i] = i * 5 + 17;
-    expectedg[i] = lrintf((y[i] - 16) * 1.164);
+    expectedg[i] = static_cast<int>((y[i] - 16) * 1.164f + 0.5f);
   }
   uint8 argb[32 * 4];
   YToARGB(y, 0, argb, 0, 32, 1);