builtin/checkout.c: don't leak memory in check_tracking_name

diff --git a/builtin/prune.c b/builtin/prune.c
index 85843d4f1728a907aafab9938b4c827990a7695f..b90e5cc361eb41064eaee242d8b13ceabe4335bc 100644 (file)
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -132,8 +132,8 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
                OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
                OPT__VERBOSE(&verbose, N_("report pruned objects")),
                OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
-               OPT_DATE(0, "expire", &expire,
-                        N_("expire objects older than <time>")),
+               OPT_EXPIRY_DATE(0, "expire", &expire,
+                               N_("expire objects older than <time>")),
                OPT_END()
        };
        char *s;