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

diff --git a/reachable.c b/reachable.c
index c62efbfd43b9c4ddc25d6768d55bddc745f5c14b..d1ac5d97efdaff5dc971e38da278dcf1d820ef2c 100644 (file)
--- a/reachable.c
+++ b/reachable.c
@@ -9,6 +9,7 @@
 #include "cache-tree.h"
 #include "progress.h"
 #include "list-objects.h"
+#include "packfile.h"
 
 struct connectivity_progress {
        struct progress *progress;