Add some missing includes.

llvm-svn: 76346
diff --git a/llvm/lib/Target/X86/TargetInfo/X86TargetInfo.cpp b/llvm/lib/Target/X86/TargetInfo/X86TargetInfo.cpp
index a31f412..a130e4e 100644
--- a/llvm/lib/Target/X86/TargetInfo/X86TargetInfo.cpp
+++ b/llvm/lib/Target/X86/TargetInfo/X86TargetInfo.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "X86.h"
 #include "llvm/Module.h"
 #include "llvm/Target/TargetRegistry.h"
 using namespace llvm;