fix: compiling with Lua 5.4 (#26)

Author: AMS21

src/pcall.cpp

@@ -48,7 +48,9 @@ namespace luabind {
 
 		int resume_impl(lua_State *L, int nargs, int)
 		{
-#if LUA_VERSION_NUM >= 502
+#if LUA_VERSION_NUM >= 504
+			int res = lua_resume(L, NULL, nargs, NULL);
+#elif LUA_VERSION_NUM >= 502
 			int res = lua_resume(L, NULL, nargs);
 #else
 			int res = lua_resume(L, nargs);