media: zoran: fix smatch warning

drivers/staging/media/zoran/zoran_device.c:941 zoran_irq() warn: inconsistent indenting

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>