[IRDA]: Make ircomm_tty static.

ircomm_tty can now become static.

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/net/irda/ircomm_tty.h

···
 			    unsigned int cmd, unsigned long arg);
 extern void ircomm_tty_set_termios(struct tty_struct *tty, 
 				   struct ktermios *old_termios);
-extern hashbin_t *ircomm_tty;
 
 #endif
 

net/irda/ircomm/ircomm_tty.c

···
 #endif /* CONFIG_PROC_FS */
 static struct tty_driver *driver;
 
-hashbin_t *ircomm_tty = NULL;
+static hashbin_t *ircomm_tty = NULL;
 
 static const struct tty_operations ops = {
 	.open            = ircomm_tty_open,