Stop midi driver if audio restart failed.

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@1038 0c269be4-1314-0410-8aa9-9f06e86f4224

drivers/alsa/alsa_driver.c

@@ -1139,10 +1139,15 @@ static int
 alsa_driver_restart (alsa_driver_t *driver)
 {
 	int res;
+
 	driver->xrun_recovery = 1;
  	if ((res = driver->nt_stop((struct _jack_driver_nt *) driver))==0)
 		res = driver->nt_start((struct _jack_driver_nt *) driver);
 	driver->xrun_recovery = 0;
+
+	if (res && driver->midi)
+		(driver->midi->stop)(driver->midi);
+
 	return res;
 }