Fix Target/ARM/Thumb1FrameLowering.h header guard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Thumb1FrameLowering.h b/lib/Target/ARM/Thumb1FrameLowering.h
index c592e12..bcfc516 100644
--- a/lib/Target/ARM/Thumb1FrameLowering.h
+++ b/lib/Target/ARM/Thumb1FrameLowering.h
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #ifndef __THUMB_FRAMEINFO_H_
-#define __THUMM_FRAMEINFO_H_
+#define __THUMB_FRAMEINFO_H_
 
 #include "ARM.h"
 #include "ARMFrameLowering.h"