util-src: Make C modules assert that the Lua runtime matches what it was compiled for

author: Kim Alvefur <zash@zash.se>
date: Sun, 08 Jan 2017 14:21:08 +0100
parent: 6789:6b180e77c97a
child: 7889:b8d694646597
--- a/util-src/net.c	Fri Jan 06 13:14:17 2017 +0100
+++ b/util-src/net.c	Sun Jan 08 14:21:08 2017 +0100
@@ -125,6 +125,9 @@
 }
 
 int luaopen_util_net(lua_State* L) {
+#if (LUA_VERSION_NUM > 501)
+	luaL_checkversion(L);
+#endif
 	luaL_Reg exports[] = {
 		{ "local_addresses", lc_local_addresses },
 		{ NULL, NULL }