blender patch

diff -Nur old/intern/cycles/util/util_simd.h new/intern/cycles/util/util_simd.h
--- old/intern/cycles/util/util_simd.h  2014-10-20 03:58:22.000000000 -0400
+++ new/intern/cycles/util/util_simd.h  2015-02-03 13:29:26.156893414 -0500
@@ -19,6 +19,7 @@
 #define __UTIL_SIMD_TYPES_H__

 #include <limits>
+#include <x86intrin.h>

 #include "util_debug.h"
 #include "util_types.h"