From ff8332d9dcc5b4ee00c050a660a0c3012beea2a5 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Sun, 12 Apr 2015 10:11:32 +0000
Subject: [PATCH] [libc] fix compiling warning for newlib

---
 components/libc/newlib/libc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/libc/newlib/libc.c b/components/libc/newlib/libc.c
index 0427a6d91b..e1a2c54074 100644
--- a/components/libc/newlib/libc.c
+++ b/components/libc/newlib/libc.c
@@ -51,5 +51,7 @@ int libc_system_init(void)
 #ifdef RT_USING_PTHREADS
     pthread_system_init();
 #endif
+
+    return 0;
 }
 INIT_COMPONENT_EXPORT(libc_system_init);