From 8c886023c969de981dacf135dff30ff54144d2b8 Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Mon, 5 May 2014 19:18:09 +0800
Subject: [PATCH] avoid warning

---
 lualib-src/lua-mongo.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lualib-src/lua-mongo.c b/lualib-src/lua-mongo.c
index 166e6683..a0d312fd 100644
--- a/lualib-src/lua-mongo.c
+++ b/lualib-src/lua-mongo.c
@@ -55,7 +55,7 @@ little_endian(uint32_t v) {
 typedef void * document;
 
 static inline uint32_t
-get_length(const document buffer) {
+get_length(document buffer) {
 	union {
 		uint32_t v;
 		uint8_t b[4];
@@ -243,7 +243,7 @@ op_reply(lua_State *L) {
 			lua_pushlightuserdata(L, (void *)doc);
 			lua_rawseti(L, 2, i);
 
-			int32_t doc_len = get_length((const document)doc);
+			int32_t doc_len = get_length((document)doc);
 
 			doc += doc_len;
 			sz -= doc_len;