media: lgdt3306a: fix lgdt3306a_search()'s return type

The method dvb_frontend_ops::search() is defined as
returning an 'enum dvbfe_search', but the implementation in this
driver returns an 'int'.

Fix this by returning 'enum dvbfe_search' in this driver too.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Acked-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/dvb-frontends/lgdt3306a.c

@@ -1784,7 +1784,7 @@ static int lgdt3306a_get_tune_settings(struct dvb_frontend *fe,
 	return 0;
 }
 
-static int lgdt3306a_search(struct dvb_frontend *fe)
+static enum dvbfe_search lgdt3306a_search(struct dvb_frontend *fe)
 {
 	enum fe_status status = 0;
 	int ret;