[media] zoran: fix compiler warning

drivers/media/video/zoran/zoran_driver.c: In function 'zoran_dqbuf':
drivers/media/video/zoran/zoran_driver.c:2197:21: warning: 'bs.frame' may be used uninitialized in this function
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/zoran/zoran_driver.c

@@ -2216,6 +2216,7 @@ static int zoran_dqbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
 			res = -EAGAIN;
 			goto dqbuf_unlock_and_return;
 		}
+		bs.frame = 0; /* suppress compiler warning */
 		res = jpg_sync(fh, &bs);
 		if (res)
 			goto dqbuf_unlock_and_return;