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/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h
index 913860e..97e07f4 100644
--- a/include/media/videobuf-dma-sg.h
+++ b/include/media/videobuf-dma-sg.h
@@ -51,7 +51,7 @@
 	struct page         **pages;
 
 	/* for kernel buffers */
-	void                *vmalloc;
+	void                *vaddr;
 
 	/* for overlay buffers (pci-pci dma) */
 	dma_addr_t          bus_addr;