hook: use correct logical variable

diff --git a/builtin/gc.c b/builtin/gc.c
index 91f7696a85ec974d0ff5a1591cc404ed99efb7d7..bd91f136fed125ab06502c22b74b4f193f60773a 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -11,6 +11,7 @@
  */
 
 #include "builtin.h"
+#include "config.h"
 #include "tempfile.h"
 #include "lockfile.h"
 #include "parse-options.h"
@@ -33,7 +34,7 @@ static int aggressive_window = 250;
 static int gc_auto_threshold = 6700;
 static int gc_auto_pack_limit = 50;
 static int detach_auto = 1;
-static unsigned long gc_log_expire_time;
+static timestamp_t gc_log_expire_time;
 static const char *gc_log_expire = "1.day.ago";
 static const char *prune_expire = "2.weeks.ago";
 static const char *prune_worktrees_expire = "3.months.ago";