isdn: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c
index 98b0149..8df889b 100644
--- a/drivers/isdn/hisax/hfc_usb.c
+++ b/drivers/isdn/hisax/hfc_usb.c
@@ -905,7 +905,7 @@
 	if (status) {
 		printk(KERN_INFO
 		       "HFC-S USB: %s error resubmitting URB fifo(%d)\n",
-		       __FUNCTION__, fifon);
+		       __func__, fifon);
 	}
 }
 
@@ -1543,14 +1543,14 @@
 				stop_isoc_chain(&context->fifos[i]);
 				DBG(HFCUSB_DBG_INIT,
 				    "HFC-S USB: %s stopping ISOC chain Fifo(%i)",
-				    __FUNCTION__, i);
+				    __func__, i);
 			}
 		} else {
 			if (context->fifos[i].active > 0) {
 				context->fifos[i].active = 0;
 				DBG(HFCUSB_DBG_INIT,
 				    "HFC-S USB: %s unlinking URB for Fifo(%i)",
-				    __FUNCTION__, i);
+				    __func__, i);
 			}
 			usb_kill_urb(context->fifos[i].urb);
 			usb_free_urb(context->fifos[i].urb);