filter_lua: initialize variable
@@ -419,7 +419,7 @@ static int cb_lua_filter(const void *data, size_t bytes,
size_t off = 0;
(void) f_ins;
(void) config;
- double ts;
+ double ts = 0;
msgpack_object *p;
msgpack_object root;
msgpack_unpacked result;
