logind: make sure we don't trip up on half-initialized session devices

Fixes: systemd#8035
(cherry picked from commit 4d219f5)

[fbui: fixes bsc#1123727]

src/login/logind-session-device.c

@@ -411,7 +411,7 @@ void session_device_free(SessionDevice *sd) {
 
         session_device_stop(sd);
         session_device_notify(sd, SESSION_DEVICE_RELEASE);
-        close_nointr(sd->fd);
+        safe_close(sd->fd);
 
         LIST_REMOVE(sd_by_device, sd->device->session_devices, sd);