libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_common.h

Index: source/libvpx/vp9/common/vp9_common.h
===================================================================
--- source/libvpx/vp9/common/vp9_common.h	(revision 232232)
+++ source/libvpx/vp9/common/vp9_common.h	(working copy)
@@ -40,8 +40,8 @@
     vpx_memcpy(dest, src, n * sizeof(*src)); \
   }
 
-#define vp9_zero(dest) vpx_memset(&dest, 0, sizeof(dest));
-#define vp9_zero_array(dest, n) vpx_memset(dest, 0, n * sizeof(*dest));
+#define vp9_zero(dest) vpx_memset(&dest, 0, sizeof(dest))
+#define vp9_zero_array(dest, n) vpx_memset(dest, 0, n * sizeof(*dest))
 
 static INLINE uint8_t clip_pixel(int val) {
   return (val > 255) ? 255u : (val < 0) ? 0u : val;
@@ -84,9 +84,11 @@
   } while (0)
 #endif
 
-#define SYNC_CODE_0 0x49
-#define SYNC_CODE_1 0x83
-#define SYNC_CODE_2 0x42
+#define VP9_SYNC_CODE_0 0x49
+#define VP9_SYNC_CODE_1 0x83
+#define VP9_SYNC_CODE_2 0x42
 
+#define VP9_FRAME_MARKER 0x2
 
+
 #endif  // VP9_COMMON_VP9_COMMON_H_