sparc64 (and others): fix tty_ioctl.c build

Add Guards around TIOCSLCKTRMIOS and TIOCGLCKTRMIOS.

Several architectures are still broken. Put temporary-for-2.6.23 ifdef guards
around the offending code.

Signed-off-by: Tony Breeds <[e-mail]>
Cc: Alan Cox <[e-mail]>
Cc: Paul Mackerras <[e-mail]>
Cc: Benjamin Herrenschmidt <[e-mail]>
Cc: Heiko Carstens <[e-mail]>
Cc: "David S. Miller" <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by:: Linus Torvalds <[e-mail]>

drivers/char/tty_ioctl.c

···
 			if (L_ICANON(tty))
 				retval = inq_canon(tty);
 			return put_user(retval, (unsigned int __user *) arg);
+#ifndef TCGETS2
+		case TIOCGLCKTRMIOS:
+			if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
+				return -EFAULT;
+			return 0;
+
+		case TIOCSLCKTRMIOS:
+			if (!capable(CAP_SYS_ADMIN))
+				return -EPERM;
+			if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg))
+				return -EFAULT;
+			return 0;
+#else
 		case TIOCGLCKTRMIOS:
 			if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
 				return -EFAULT;
···
 			if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg))
 				return -EFAULT;
 			return 0;
+#endif
 
 		case TIOCPKT:
 		{