Change YUV_DISABLE_ASM to LIBYUV_DISABLE_NEON, LIBYUV_DISABLE_MIPS, LIBYUV_DISABLE_X86
BUG=189
TESTED=try
Review URL: https://webrtc-codereview.appspot.com/1113006

git-svn-id: http://libyuv.googlecode.com/svn/trunk@582 16f28f9a-4ce2-e073-06de-1de4eb20be90
diff --git a/source/row_posix.cc b/source/row_posix.cc
index b786547..f35e852 100644
--- a/source/row_posix.cc
+++ b/source/row_posix.cc
@@ -18,7 +18,7 @@
 #endif
 
 // This module is for GCC x86 and x64
-#if !defined(YUV_DISABLE_ASM) && (defined(__x86_64__) || defined(__i386__))
+#if !defined(LIBYUV_DISABLE_X86) && (defined(__x86_64__) || defined(__i386__))
 
 // GCC 4.2 on OSX has link error when passing static or const to inline.
 // TODO(fbarchard): Use static const when gcc 4.2 support is dropped.