Reenable terse mode at shutdown/reboot

Now that we change runlevel at shutdown/reboot, we also need to restore
terse mode before calling the shutdown hooks, like before.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

service.c

@@ -24,6 +24,7 @@
 
 #include "config.h"		/* Generated by configure script */
 
+#include <sched.h>
 #include <string.h>
 #include <sys/wait.h>
 #include <net/if.h>
@@ -487,6 +488,15 @@ void service_reload_dynamic(void)
 void service_runlevel(int newlevel)
 {
 	if (newlevel == 0 || newlevel == 6) {
+		/* If we enabled terse mode at boot, restore to previous setting at shutdown */
+		if (quiet) {
+			silent = SILENT_MODE;
+			if (!silent) {
+				sched_yield();
+				fputs("\n", stderr);
+			}
+		}
+
 		/* Call all shutdown hooks before rebooting... */
 		plugin_run_hooks(HOOK_SHUTDOWN);
 	}