drm/virtio: Add blank line after variable declarations

This patch fixes the checkpatch.pl warnings:

virtgpu_drv.c:57: WARNING: Missing a blank line after declarations
virtgpu_display.c:99: WARNING: Missing a blank line after declarations
...

Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/41767852ff9dc584c825e32db6222b9a311603b9.1519343668.git.rodrigosiqueiramelo@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 9eb96fb2..16c05bc 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -62,6 +62,7 @@ void virtio_gpu_ctrl_ack(struct virtqueue *vq)
 {
 	struct drm_device *dev = vq->vdev->priv;
 	struct virtio_gpu_device *vgdev = dev->dev_private;
+
 	schedule_work(&vgdev->ctrlq.dequeue_work);
 }
 
@@ -69,6 +70,7 @@ void virtio_gpu_cursor_ack(struct virtqueue *vq)
 {
 	struct drm_device *dev = vq->vdev->priv;
 	struct virtio_gpu_device *vgdev = dev->dev_private;
+
 	schedule_work(&vgdev->cursorq.dequeue_work);
 }
 
@@ -852,6 +854,7 @@ int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
 
 	if (!obj->pages) {
 		int ret;
+
 		ret = virtio_gpu_object_get_sg_table(vgdev, obj);
 		if (ret)
 			return ret;