Headers: wmmintrin.h only needs xmmintrin.h.
 - Fixes <rdar://problem/10261246> clang -maes option is not sufficient to
   include <wmmintrin.h>

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Headers/wmmintrin.h b/lib/Headers/wmmintrin.h
index 6b2e468..8f58850 100644
--- a/lib/Headers/wmmintrin.h
+++ b/lib/Headers/wmmintrin.h
@@ -28,7 +28,7 @@
 # error "AES instructions not enabled"
 #else
 
-#include <smmintrin.h>
+#include <xmmintrin.h>
 
 static __inline__ __m128i __attribute__((__always_inline__, __nodebug__))
 _mm_aesenc_si128(__m128i __V, __m128i __R)