hardlink: fix time_t=long assumptions

References: http://github.com/karelzak/util-linux/commit/ce3355cc54d97711bc240783324f7ab51fd6e371
Signed-off-by: Karel Zak <kzak@redhat.com>
diff --git a/misc-utils/hardlink.c b/misc-utils/hardlink.c
index 7137225..8918b32 100644
--- a/misc-utils/hardlink.c
+++ b/misc-utils/hardlink.c
@@ -302,8 +302,8 @@
 	jlog(JLOG_SUMMARY, "%-15s %s", _("Saved:"), ssz);
 	free(ssz);
 
-	jlog(JLOG_SUMMARY, _("%-15s %ld.%06ld seconds"), _("Duration:"),
-	     (long)delta.tv_sec, (long)delta.tv_usec);
+	jlog(JLOG_SUMMARY, _("%-15s %"PRId64".%06"PRId64" seconds"), _("Duration:"),
+	     (int64_t)delta.tv_sec, (int64_t)delta.tv_usec);
 }
 
 /**