Rename files for consistency.

llvm-svn: 134546
diff --git a/llvm/lib/Target/X86/X86.h b/llvm/lib/Target/X86/X86.h
index 9d66c2f..1ffee86 100644
--- a/llvm/lib/Target/X86/X86.h
+++ b/llvm/lib/Target/X86/X86.h
@@ -15,7 +15,7 @@
 #ifndef TARGET_X86_H
 #define TARGET_X86_H
 
-#include "MCTargetDesc/X86TargetDesc.h"
+#include "MCTargetDesc/X86MCTargetDesc.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Target/TargetMachine.h"