if (!sc->header_sent && current_chunk) {
size_t header_len;
- char *header_buf = vss_get_header(&header_len);
+ char *header_buf;
+
+ vss_get_header(&header_buf, &header_len);
if (header_buf && header_len > 0) {
ret = queue_chunk_or_shutdown(sc, ss, -1U, 0);
if (ret < 0)