V4L/DVB: videobuf: Rename vmalloc fields to vaddr

The videobuf_dmabuf and videobuf_vmalloc_memory fields have a vmalloc
field to store the kernel virtual address of vmalloc'ed buffers. Rename
the field to vaddr.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index 5bca2ab..68b7e8d 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -669,7 +669,7 @@
 	   byte, but it doesn't work. So I allocate the DMA using the
 	   V4L functions, and force ALSA to use that as the DMA area */
 
-	substream->runtime->dma_area = dev->dmasound.dma.vmalloc;
+	substream->runtime->dma_area = dev->dmasound.dma.vaddr;
 	substream->runtime->dma_bytes = dev->dmasound.bufsize;
 	substream->runtime->dma_addr = 0;