drm/nv41/vm: fix typo in type name

It's a miracle it compiles at all - nv04_vm_priv does not exist
anywhere in the tree.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c

diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
index 49050d9..9474cfc 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c
@@ -67,7 +67,7 @@
 static void
 nv41_vm_flush(struct nouveau_vm *vm)
 {
-	struct nv04_vm_priv *priv = (void *)vm->vmm;
+	struct nv04_vmmgr_priv *priv = (void *)vm->vmm;
 
 	mutex_lock(&nv_subdev(priv)->mutex);
 	nv_wr32(priv, 0x100810, 0x00000022);