isdn/gigaset: add back gigaset_procinfo assignment

Fixes: 2cd1f0d ("isdn: replace ->proc_fops with ->proc_show")
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>

Author: Christoph Hellwig

drivers/isdn/gigaset/capi.c

@@ -2465,6 +2465,7 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
 	iif->ctr.register_appl = gigaset_register_appl;
 	iif->ctr.release_appl  = gigaset_release_appl;
 	iif->ctr.send_message  = gigaset_send_message;
+	iif->ctr.procinfo      = gigaset_procinfo;
 	iif->ctr.proc_show     = gigaset_proc_show,
 	INIT_LIST_HEAD(&iif->appls);
 	skb_queue_head_init(&iif->sendqueue);