git: 38731172ee2a - main - xen: Use __diagused for a variable only used in KASSERT().

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=38731172ee2a487673ffeb294741fdde08a722d3

commit 38731172ee2a487673ffeb294741fdde08a722d3
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-13 23:08:20 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-13 23:08:20 +0000

    xen: Use __diagused for a variable only used in KASSERT().
---
 sys/xen/xenbus/xenbus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/xen/xenbus/xenbus.c b/sys/xen/xenbus/xenbus.c
index 415279ec2311..9570abac6a58 100644
--- a/sys/xen/xenbus/xenbus.c
+++ b/sys/xen/xenbus/xenbus.c
@@ -105,7 +105,7 @@ xenbus_strstate(XenbusState state)
 void
 xenbus_dev_verror(device_t dev, int err, const char *fmt, va_list ap)
 {
-	int ret;
+	int ret __diagused;
 	unsigned int len;
 	char *printf_buffer = NULL, *path_buffer = NULL;