git: 6f4d99c65404 - main - pam_unix: Remove bogus __unused attribute

The branch main has been updated by zirias (ports committer):

URL: https://cgit.FreeBSD.org/src/commit/?id=6f4d99c654046f98a65df5d3277c0b585845c642

commit 6f4d99c654046f98a65df5d3277c0b585845c642
Author:     Felix Palmen <zirias@FreeBSD.org>
AuthorDate: 2022-09-05 18:50:29 +0000
Commit:     Felix Palmen <zirias@FreeBSD.org>
CommitDate: 2022-09-05 18:53:22 +0000

    pam_unix: Remove bogus __unused attribute
    
    Approved by:            cy, des, tcberner (mentor)
    Differential Revision:  https://reviews.freebsd.org/D34320
---
 lib/libpam/modules/pam_unix/pam_unix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libpam/modules/pam_unix/pam_unix.c b/lib/libpam/modules/pam_unix/pam_unix.c
index 29588f0af1ea..50a1d03ebc43 100644
--- a/lib/libpam/modules/pam_unix/pam_unix.c
+++ b/lib/libpam/modules/pam_unix/pam_unix.c
@@ -87,7 +87,7 @@ static char password_hash[] =		PASSWORD_HASH;
  * authentication management
  */
 PAM_EXTERN int
-pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
+pam_sm_authenticate(pam_handle_t *pamh, int flags,
     int argc __unused, const char *argv[] __unused)
 {
 	login_cap_t *lc;