V4L/DVB (6434): tda827x: fix GPL export on attach function

EXPORT_SYMBOL should have been EXPORT_SYMBOL_GPL

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/frontends/tda827x.c

@@ -775,7 +775,7 @@ struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr,
 
 	return fe;
 }
-EXPORT_SYMBOL(tda827x_attach);
+EXPORT_SYMBOL_GPL(tda827x_attach);
 
 MODULE_DESCRIPTION("DVB TDA827x driver");
 MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>");