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/tda10023.c b/drivers/media/dvb/frontends/tda10023.c
index 364bc01..0727b80 100644
--- a/drivers/media/dvb/frontends/tda10023.c
+++ b/drivers/media/dvb/frontends/tda10023.c
@@ -118,7 +118,7 @@
 	ret = i2c_transfer (state->i2c, msg, 2);
 	if (ret != 2)
 		printk("DVB: TDA10023: %s: readreg error (ret == %i)\n",
-				 __FUNCTION__, ret);
+				 __func__, ret);
 	return b1[0];
 }
 
@@ -132,7 +132,7 @@
 	if (ret != 1)
 		printk("DVB: TDA10023(%d): %s, writereg error "
 			"(reg == 0x%02x, val == 0x%02x, ret == %i)\n",
-			state->frontend.dvb->num, __FUNCTION__, reg, data, ret);
+			state->frontend.dvb->num, __func__, reg, data, ret);
 
 	return (ret != 1) ? -EREMOTEIO : 0;
 }