static struct {
        uint32_t revision;
-       unsigned long timestamp;
+       timestamp_t timestamp;
        struct strbuf log, author, note;
 } rev_ctx;
 
                strbuf_addf(&mark, ":%"PRIu32, rev_ctx.revision);
                fast_export_note(mark.buf, "inline");
                fast_export_buf_to_data(&rev_ctx.note);
+               strbuf_release(&mark);
        }
 }