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-rw-r--r--src/3rdparty/webkit/WebCore/ForwardingHeaders/wtf/HashFunctions.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/ForwardingHeaders/wtf/HashFunctions.h b/src/3rdparty/webkit/WebCore/ForwardingHeaders/wtf/HashFunctions.h
index 0fa568a4cb..65e110ddbf 100644
--- a/src/3rdparty/webkit/WebCore/ForwardingHeaders/wtf/HashFunctions.h
+++ b/src/3rdparty/webkit/WebCore/ForwardingHeaders/wtf/HashFunctions.h
@@ -1 +1,4 @@
+#ifndef WebCore_FWD_HashFunctions_h
+#define WebCore_FWD_HashFunctions_h
#include <JavaScriptCore/HashFunctions.h>
+#endif