log.c: New log_exit() function, called at shutdown

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

src/log.c

@@ -22,6 +22,7 @@
  */
 
 #include "config.h"
+#include <sched.h>		/* sched_yield() */
 #include <stdio.h>
 #include <stdarg.h>
 #include <lite/lite.h>
@@ -31,6 +32,18 @@
 
 static int loglevel = LOG_NOTICE;
 
+/* If we enabled terse mode at boot, restore to previous setting at shutdown */
+void log_exit(void)
+{
+	if (quiet) {
+		silent = SILENT_MODE;
+		if (!silent) {
+			sched_yield();
+			fputs("\n", stderr);
+		}
+	}
+}
+
 void log_debug(void)
 {
 	debug = !debug;