Fix header guard typo and build error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Transforms/Utils/SizeOpts.h b/include/llvm/Transforms/Utils/SizeOpts.h
index 6b83497..1a052c6 100644
--- a/include/llvm/Transforms/Utils/SizeOpts.h
+++ b/include/llvm/Transforms/Utils/SizeOpts.h
@@ -11,7 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_TRANSFORMS_UTILS_SIZEOPTS_H
-#define LLVM_TRANSFORMS_UTILS_SiZEOPTS_H
+#define LLVM_TRANSFORMS_UTILS_SIZEOPTS_H
 
 namespace llvm {
 
@@ -31,4 +31,4 @@
 
 } // end namespace llvm
 
-#endif // LLVM_TRANSFORMS_UTILS_SiZEOPTS_H
+#endif // LLVM_TRANSFORMS_UTILS_SIZEOPTS_H