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-rw-r--r--WebCore/ForwardingHeaders/wtf/RefCounted.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/WebCore/ForwardingHeaders/wtf/RefCounted.h b/WebCore/ForwardingHeaders/wtf/RefCounted.h
index 628a63b..c6b2dee 100644
--- a/WebCore/ForwardingHeaders/wtf/RefCounted.h
+++ b/WebCore/ForwardingHeaders/wtf/RefCounted.h
@@ -1 +1,4 @@
+#ifndef WebCore_FWD_RefCounted_h
+#define WebCore_FWD_RefCounted_h
#include <JavaScriptCore/RefCounted.h>
+#endif