V4L/DVB (6257): Rename video-buf-dvb to videobuf-dvb to be consistent with the other patches

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index c8140ae..b5a0641 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -90,7 +90,7 @@
 obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o
 obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o
 obj-$(CONFIG_VIDEOBUF_VMALLOC) += videobuf-vmalloc.o
-obj-$(CONFIG_VIDEO_BUF_DVB) += video-buf-dvb.o
+obj-$(CONFIG_VIDEOBUF_DVB) += videobuf-dvb.o
 obj-$(CONFIG_VIDEO_BTCX)  += btcx-risc.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o