media: videobuf2-dma-contig.c: remove spurious 'b' in message

Remove a spurious 'b' in the "contiguous chunk is too small  %lu/%lu b"
message.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/common/videobuf2/videobuf2-dma-contig.c

@@ -593,8 +593,8 @@ static int vb2_dc_map_dmabuf(void *mem_priv)
 	/* checking if dmabuf is big enough to store contiguous chunk */
 	contig_size = vb2_dc_get_contiguous_size(sgt);
 	if (contig_size < buf->size) {
-		pr_err("contiguous chunk is too small %lu/%lu b\n",
-			contig_size, buf->size);
+		pr_err("contiguous chunk is too small %lu/%lu\n",
+		       contig_size, buf->size);
 		dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir);
 		return -EFAULT;
 	}