git: e689e7facd8d - main - stress2: Fix compiler warning

The branch main has been updated by pho:

URL: https://cgit.FreeBSD.org/src/commit/?id=e689e7facd8daac745a7954f4b405e680229de7d

commit e689e7facd8daac745a7954f4b405e680229de7d
Author:     Peter Holm <pho@FreeBSD.org>
AuthorDate: 2023-03-22 09:05:04 +0000
Commit:     Peter Holm <pho@FreeBSD.org>
CommitDate: 2023-03-22 09:05:04 +0000

    stress2: Fix compiler warning
---
 tools/test/stress2/misc/syscall4.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/test/stress2/misc/syscall4.sh b/tools/test/stress2/misc/syscall4.sh
index ce7e99dcde54..3937d45c0303 100755
--- a/tools/test/stress2/misc/syscall4.sh
+++ b/tools/test/stress2/misc/syscall4.sh
@@ -260,7 +260,7 @@ static void *
 calls(void *arg __unused)
 {
 	time_t start;
-	int i, j, num;
+	int i __unused, j, num;
 	unsigned long arg1, arg2, arg3, arg4, arg5, arg6, arg7;
 
 #ifdef __NP__