kernel: Fix kernel build when compiled without INVARIANTS.

diff --git a/sys/kern/vfs_lock.c b/sys/kern/vfs_lock.c
index f88e6dd..ea48949 100644 (file)
--- a/sys/kern/vfs_lock.c
+++ b/sys/kern/vfs_lock.c
@@ -428,7 +428,7 @@ vnode_ctor(void *obj, void *private, int ocflags)
 void
 vnode_dtor(void *obj, void *private)
 {
-       struct vnode *vp = obj;
+       struct vnode *vp __debugvar = obj;
 
        KKASSERT((vp->v_flag & (VCACHED|VFREE)) == 0);
 }