NO-JIRA: Add include guard to http2_adaptor.h file
+#ifndef __http2_adaptor_h__
+#define __http2_adaptor_h__ 1
+
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -210,3 +213,4 @@ ALLOC_DECLARE(qdr_http2_connection_t);
ALLOC_DECLARE(qd_http2_buffer_t);
+#endif // __http2_adaptor_h__
