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-rw-r--r--WebCore/ForwardingHeaders/wtf/PassRefPtr.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/WebCore/ForwardingHeaders/wtf/PassRefPtr.h b/WebCore/ForwardingHeaders/wtf/PassRefPtr.h
index aafd1a2..ef57e5f 100644
--- a/WebCore/ForwardingHeaders/wtf/PassRefPtr.h
+++ b/WebCore/ForwardingHeaders/wtf/PassRefPtr.h
@@ -1 +1,4 @@
+#ifndef WebCore_FWD_PassRefPtr_h
+#define WebCore_FWD_PassRefPtr_h
#include <JavaScriptCore/PassRefPtr.h>
+#endif