fix lua5.4 incompat

lua/zapret-antidpi.lua

@@ -79,7 +79,7 @@ function luaexec(ctx, desync)
 	end
 	local fname = desync.func_instance.."_luaexec_code"
 	if not _G[fname] then
-		_G[fname] = loadstring(desync.arg.code, fname)
+		_G[fname] = load(desync.arg.code, fname)
 	end
 	-- allow dynamic code to access desync
 	_G.desync = desync

nfq2/lua.c

@@ -1039,7 +1039,7 @@ void lua_pushf_args(const struct ptr_list_head *args, int idx_desync)
 		else if (val[0]=='#')
 		{
 			lua_push_blob(idx_desync, val+1);
-			lua_Integer len = lua_objlen(params.L, -1);
+			lua_Integer len = lua_rawlen(params.L, -1);
 			lua_pop(params.L,1);
 			lua_pushf_int(var, len);
 		}

nfq2/lua.h

@@ -36,6 +36,7 @@ void lua_do_gc(void);
 
 #if LUA_VERSION_NUM < 502
 int lua_absindex(lua_State *L, int idx);
+#define lua_rawlen lua_objlen
 #endif
 
 // push - create object and push to the stack