Lua intf: fix use-after-free

(cherry picked from commit f822d4a899433d46e3b5a37a83c08a956f285564)

modules/lua/intf.c

@@ -390,8 +390,8 @@ void Close_LuaIntf( vlc_object_t *p_this )
     vlclua_fd_interrupt( &p_sys->dtable );
     vlc_join( p_sys->thread, NULL );
 
-    vlclua_fd_cleanup( &p_sys->dtable );
     lua_close( p_sys->L );
+    vlclua_fd_cleanup( &p_sys->dtable );
     free( p_sys->psz_filename );
     free( p_sys );
 }