V4L/DVB (8387): Some cosmetic changes

Those changes, together with some proper patches, will allow out-of-tree 
compilation for for kernels < 2.6.19

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 3c93414..33f379b 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -375,7 +375,7 @@
 {
 	int ret = device_create_file(&vfd->class_dev, attr);
 	if (ret < 0)
-		printk(KERN_WARNING "%s error: %d\n", __FUNCTION__, ret);
+		printk(KERN_WARNING "%s error: %d\n", __func__, ret);
 	return ret;
 }
 static inline void