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 <[e-mail]>
Signed-off-by: Sean Young <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/dvb-frontends/dvb_dummy_fe.c

···
 static void dvb_dummy_fe_release(struct dvb_frontend *fe)
 {
 	struct dvb_dummy_fe_state *state = fe->demodulator_priv;
+
 	kfree(state);
 }