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/cpia_usb.c b/drivers/media/video/cpia_usb.c
index 9da4726..ef1f893 100644
--- a/drivers/media/video/cpia_usb.c
+++ b/drivers/media/video/cpia_usb.c
@@ -170,7 +170,7 @@
 	/* resubmit */
 	urb->dev = ucpia->dev;
 	if ((i = usb_submit_urb(urb, GFP_ATOMIC)) != 0)
-		printk(KERN_ERR "%s: usb_submit_urb ret %d\n", __FUNCTION__,  i);
+		printk(KERN_ERR "%s: usb_submit_urb ret %d\n", __func__,  i);
 }
 
 static int cpia_usb_open(void *privdata)