git: 75f1351ac56f - stable/13 - vmm: fix set but not used warning

The branch stable/13 has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=75f1351ac56ff71abc49cd17e858f0876f43f4ef

commit 75f1351ac56ff71abc49cd17e858f0876f43f4ef
Author:     Robert Wing <rew@FreeBSD.org>
AuthorDate: 2022-04-10 18:30:14 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-01-26 19:26:56 +0000

    vmm: fix set but not used warning
    
    (cherry picked from commit 3587bfa797cd66dce2e94ca93df5ce41def555df)
---
 sys/amd64/vmm/vmm_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/amd64/vmm/vmm_dev.c b/sys/amd64/vmm/vmm_dev.c
index 2337c4dec2b1..db8563c91830 100644
--- a/sys/amd64/vmm/vmm_dev.c
+++ b/sys/amd64/vmm/vmm_dev.c
@@ -993,7 +993,7 @@ vmmdev_destroy(void *arg)
 {
 	struct vmmdev_softc *sc = arg;
 	struct devmem_softc *dsc;
-	int error;
+	int error __diagused;
 
 	error = vcpu_lock_all(sc);
 	KASSERT(error == 0, ("%s: error %d freezing vcpus", __func__, error));