V4L/DVB (7513): media/dvb/dvb-usb replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/dvb-usb/gp8psk-fe.c b/drivers/media/dvb/dvb-usb/gp8psk-fe.c
index e37142d..262a858 100644
--- a/drivers/media/dvb/dvb-usb/gp8psk-fe.c
+++ b/drivers/media/dvb/dvb-usb/gp8psk-fe.c
@@ -152,7 +152,7 @@
 {
 	struct gp8psk_fe_state *st = fe->demodulator_priv;
 
-	deb_fe("%s\n",__FUNCTION__);
+	deb_fe("%s\n",__func__);
 
 	if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0,
 			m->msg, m->msg_len)) {
@@ -167,7 +167,7 @@
 	struct gp8psk_fe_state *st = fe->demodulator_priv;
 	u8 cmd;
 
-	deb_fe("%s\n",__FUNCTION__);
+	deb_fe("%s\n",__func__);
 
 	/* These commands are certainly wrong */
 	cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01;