V4L/DVB (7518): media/video/ 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/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index 7942bd0..11c5fde 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -153,7 +153,7 @@
 	}
 
 	if(buf[0] !=0 || buf[1] !=0 || buf[2] !=0 || buf[3] != 0)
-		dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __FUNCTION__,
+		dprintk(2, "%s: 0x%2x 0x%2x 0x%2x 0x%2x\n", __func__,
 			buf[0], buf[1], buf[2], buf[3]);
 
 	/* no key pressed or signal from other ir remote */