git: 25ff80a4bccf - 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=25ff80a4bccf7fe1b5150a7243cc3c32d6fa1940

commit 25ff80a4bccf7fe1b5150a7243cc3c32d6fa1940
Author:     Robert Wing <rew@FreeBSD.org>
AuthorDate: 2022-04-10 18:30:19 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-01-26 19:27:06 +0000

    vmm: fix set but not used warning
    
    (cherry picked from commit 5a17f489d5848085307e1d5fa7ca142694b4946b)
---
 sys/amd64/vmm/vmm_ioport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/amd64/vmm/vmm_ioport.c b/sys/amd64/vmm/vmm_ioport.c
index e494bac46f23..e30f796d598c 100644
--- a/sys/amd64/vmm/vmm_ioport.c
+++ b/sys/amd64/vmm/vmm_ioport.c
@@ -157,7 +157,7 @@ emulate_inout_str(struct vm *vm, int vcpuid, struct vm_exit *vmexit, bool *retu)
 int
 vm_handle_inout(struct vm *vm, int vcpuid, struct vm_exit *vmexit, bool *retu)
 {
-	int bytes, error;
+	int bytes __diagused, error;
 
 	bytes = vmexit->u.inout.bytes;
 	KASSERT(bytes == 1 || bytes == 2 || bytes == 4,