check-ref-format: release strbuf after use in check_ref_format_branch()

diff --git a/strbuf.h b/strbuf.h
index 2075384e0b2df97a6d113acebcbcdcc853237166..e705b94db55578aabb2063f7364220978cea5a40 100644 (file)
--- a/strbuf.h
+++ b/strbuf.h
@@ -68,7 +68,7 @@ struct strbuf {
 };
 
 extern char strbuf_slopbuf[];
-#define STRBUF_INIT  { 0, 0, strbuf_slopbuf }
+#define STRBUF_INIT  { .alloc = 0, .len = 0, .buf = strbuf_slopbuf }
 
 /**
  * Life Cycle Functions