TTY: fix misspelling of current function in string

Replace the last argument of serial_paranoia_check by the actual function
name.

This was done using Coccinelle, including the use of Levenshtein distance,
as proposed by Rasmus Villemoes.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/amiserial.c

@@ -931,7 +931,7 @@ static void rs_send_xchar(struct tty_struct *tty, char ch)
 	struct serial_state *info = tty->driver_data;
         unsigned long flags;
 
-	if (serial_paranoia_check(info, tty->name, "rs_send_char"))
+	if (serial_paranoia_check(info, tty->name, "rs_send_xchar"))
 		return;
 
 	info->x_char = ch;