fix for luma table valgrind uninitialized variable.

BUG=267
TEST=try bots
R=ryanpetrie@google.com

Review URL: https://webrtc-codereview.appspot.com/2184008

git-svn-id: http://libyuv.googlecode.com/svn/trunk@784 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 783
+Version: 784
 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 783
+#define LIBYUV_VERSION 784
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/planar_test.cc

@@ -1659,6 +1659,7 @@ TEST_F(libyuvTest, ARGBBlur_Opt) {
 TEST_F(libyuvTest, TestARGBPolynomial) {
   SIMD_ALIGNED(uint8 orig_pixels[1280][4]);
   SIMD_ALIGNED(uint8 dst_pixels[1280][4]);
+  memset(orig_pixels, 0, sizeof(orig_pixels));
 
   SIMD_ALIGNED(static const float kWarmifyPolynomial[16]) = {
     0.94230f,  -3.03300f,    -2.92500f,  0.f,  // C0
@@ -1722,6 +1723,7 @@ TEST_F(libyuvTest, TestARGBPolynomial) {
 TEST_F(libyuvTest, TestARGBLumaColorTable) {
   SIMD_ALIGNED(uint8 orig_pixels[1280][4]);
   SIMD_ALIGNED(uint8 dst_pixels[1280][4]);
+  memset(orig_pixels, 0, sizeof(orig_pixels));
 
   SIMD_ALIGNED(uint8 kLumaColorTable[32768]);
   int v = 0;