media: dvb_dummy_fe: Add blank line after declaration

Fix checkpatch.pl error by adding a blank line
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/dvb-frontends/dvb_dummy_fe.c

@@ -103,6 +103,7 @@ static int dvb_dummy_fe_set_voltage(struct dvb_frontend *fe,
 static void dvb_dummy_fe_release(struct dvb_frontend *fe)
 {
 	struct dvb_dummy_fe_state *state = fe->demodulator_priv;
+
 	kfree(state);
 }