llvm/clang does not support attribute optimize. Disable the OMITFP macro for…

llvm/clang does not support attribute optimize.  Disable the OMITFP macro for llvm. #if defined(__APPLE__) || defined(__x86_64__) || defined(__llvm__)
BUG=83
TEST=webrtc build bots
Review URL: https://webrtc-codereview.appspot.com/787007

git-svn-id: http://libyuv.googlecode.com/svn/trunk@342 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 341
+Version: 342
 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 341
+#define LIBYUV_VERSION 342
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/row.h

@@ -139,7 +139,7 @@ typedef int32 vec32[4];
 typedef uint32 uvec32[4];
 #endif
 
-#if defined(__APPLE__) || defined(__x86_64__)
+#if defined(__APPLE__) || defined(__x86_64__) || defined(__llvm__)
 #define OMITFP
 #else
 #define OMITFP __attribute__((optimize("omit-frame-pointer")))