lua: add missing forward declaration

Fixes following warning reported by clang-10:

  lua/uci.c:1050:1: error: no previous declaration for ‘luaopen_uci’ [-Werror=missing-declarations]

Signed-off-by: Petr Štetiar <ynezz@true.cz>

diff --git a/lua/uci.c b/lua/uci.c
index ecfb2998d749bac7f17ab3417a60077831b6324a..196a25bcf08a26e77c739c29b8ec6c66caf11d06 100644 (file)
--- a/lua/uci.c
+++ b/lua/uci.c
@@ -36,6 +36,8 @@
 
 #if !defined LUA_VERSION_NUM || LUA_VERSION_NUM==501
 
+int luaopen_uci(lua_State *L);
+
 /*
  * ** Adapted from Lua 5.2.0
  * */