tty: now phase out the ioctl file pointer for good

Only oddities here are a couple of drivers that bogusly called the ldisc
helpers instead of returning -ENOIOCTLCMD. Fix the bug and the rest goes
away.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 54e4eaa..483df15 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -584,7 +584,7 @@
 
 /* vt.c */
 
-extern int vt_ioctl(struct tty_struct *tty, struct file *file,
+extern int vt_ioctl(struct tty_struct *tty,
 		    unsigned int cmd, unsigned long arg);
 
 extern long vt_compat_ioctl(struct tty_struct *tty, struct file * file,