Add missing header guard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219922 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/Options.h b/include/llvm/Support/Options.h
index 1e387a8353f391b936652d65960a8d84e023f3c7..4fd1bff358fd7034886d9804b0bdd94ae9312685 100644 (file)
--- a/include/llvm/Support/Options.h
+++ b/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