From 8e2d7fd1824aa5b864eccbe53dbf54dd43542511 Mon Sep 17 00:00:00 2001
From: sunguoshuai <sunguoshuai@huawei.com>
Date: Fri, 29 Mar 2019 04:33:45 -0400
Subject: [PATCH] libconfig: add to strbuf_append_string

reason: add to strbuf_append_string

diff --git a/lib/strbuf.h b/lib/strbuf.h
index c27b21c..ab03a75 100644
--- a/lib/strbuf.h
+++ b/lib/strbuf.h
@@ -33,7 +33,7 @@ typedef struct
   size_t capacity;
 } strbuf_t;
 
-void libconfig_strbuf_append_string(strbuf_t *buf, const char *s);
+__attribute__ ((visibility("hidden"))) void libconfig_strbuf_append_string(strbuf_t *buf, const char *s);
 
 void libconfig_strbuf_append_char(strbuf_t *buf, char c);