V4L/DVB (7514): media/dvb/frontends replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/xc5000.h b/drivers/media/dvb/frontends/xc5000.h
index 32a5f1c..b890883 100644
--- a/drivers/media/dvb/frontends/xc5000.h
+++ b/drivers/media/dvb/frontends/xc5000.h
@@ -55,7 +55,7 @@
 						 struct i2c_adapter *i2c,
 						 struct xc5000_config *cfg)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
 #endif // CONFIG_DVB_TUNER_XC5000