valgrind free context allocations

Signed-off-by: Andy Green <andy.green@linaro.org>
diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c
index 619b008..173c977 100644
--- a/lib/libwebsockets.c
+++ b/lib/libwebsockets.c
@@ -1079,6 +1079,11 @@
 		SSL_CTX_free(context->ssl_client_ctx);
 #endif
 
+	if (context->fds)
+		free(context->fds);
+	if (context->lws_lookup)
+		free(context->lws_lookup);
+
 	free(context);
 
 #ifdef WIN32