[SERIAL] ip22zilog: Whitespace cleanup.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index 5ff1e83..ba5541d 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -262,6 +262,7 @@
 		}
 		tty_insert_flip_char(tty, ch, flag);
 	      ignore_char:
+			;
 	} while (status & DZ_DVAL);
 
 	if (tty)