ISDN: Move call control to isdn_net_lib.c

No code change, just move the call control state machine from
isdn_net.c to isdn_net_lib.c

drivers/isdn/i4l/isdn_net.h

@@ -41,9 +41,16 @@ extern int register_isdn_netif(int encap, struct isdn_netif_ops *ops);
 extern int isdn_net_autodial(struct sk_buff *skb, struct net_device *ndev);
 extern int isdn_net_start_xmit(struct sk_buff *skb, struct net_device *ndev);
 
+extern int  isdn_net_bind_channel(isdn_net_dev *idev, int slot);
+extern void isdn_net_unbind_channel(isdn_net_dev *idev);
+extern int  isdn_net_dial(isdn_net_dev *idev);
+extern void isdn_net_accept(isdn_net_dev *idev, int slot, char *nr);
+extern int  isdn_net_do_callback(isdn_net_dev *idev);
+
+extern int  isdn_net_bsent(isdn_net_dev *idev, isdn_ctrl *c);
+
 extern int isdn_net_stat_callback(int, isdn_ctrl *);
 extern int isdn_net_find_icall(int, int, int, setup_parm *);
-extern int isdn_net_dev_dial(isdn_net_dev *idev);
 extern int isdn_net_hangup(isdn_net_dev *);
 extern int isdn_net_rcv_skb(int, struct sk_buff *);
 extern int isdn_net_dial_req(isdn_net_dev *);