V4L/DVB (6637): xc2028: add missing break

Add break to stop us from following the default failure path even upon success.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c
index ac7f3e1..7e558de 100644
--- a/drivers/media/video/tuner-xc2028.c
+++ b/drivers/media/video/tuner-xc2028.c
@@ -485,6 +485,7 @@
 						  (*p) & 0x7f);
 					return -EINVAL;
 				}
+				break;
 			default:
 				tuner_info("Invalid RESET code %d\n",
 					   size & 0x7f);