Add missing header guard.

llvm-svn: 219922

diff --git a/llvm/include/llvm/Support/Options.h b/llvm/include/llvm/Support/Options.h
index 1e387a8..4fd1bff 100644 (file)
--- a/llvm/include/llvm/Support/Options.h
+++ b/llvm/include/llvm/Support/Options.h
@@ -34,6 +34,9 @@
 ///
 //===----------------------------------------------------------------------===//
 
+#ifndef LLVM_SUPPORT_OPTIONS_H
+#define LLVM_SUPPORT_OPTIONS_H
+
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/CommandLine.h"
 
@@ -113,3 +116,5 @@ public:
 };
 
 } // namespace llvm
+
+#endif