ssl set ssl to NULL on close
diff --git a/lib/ssl.c b/lib/ssl.c
index 04c96cf..cb19d60 100644
--- a/lib/ssl.c
+++ b/lib/ssl.c
@@ -515,6 +515,7 @@
 	SSL_shutdown(wsi->ssl);
 	compatible_close(n);
 	SSL_free(wsi->ssl);
+	wsi->ssl = NULL;
 
 	return 1; /* handled */
 }