The branch main has been updated by jhb:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=80badfcb70cf79560951f79245f765c444083e1f

commit 80badfcb70cf79560951f79245f765c444083e1f
Author:     John Baldwin <[email protected]>
AuthorDate: 2023-06-20 16:29:00 +0000
Commit:     John Baldwin <[email protected]>
CommitDate: 2023-06-20 16:29:00 +0000

    iostat: Remove set but unused variable.
---
 usr.sbin/iostat/iostat.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/usr.sbin/iostat/iostat.c b/usr.sbin/iostat/iostat.c
index 9140bf10ef07..7c4dcf16e0a5 100644
--- a/usr.sbin/iostat/iostat.c
+++ b/usr.sbin/iostat/iostat.c
@@ -179,7 +179,7 @@ int
 main(int argc, char **argv)
 {
        int c, i;
-       int tflag = 0, hflag = 0, cflag = 0, wflag = 0, nflag = 0;
+       int hflag = 0, cflag = 0, wflag = 0, nflag = 0;
        int count = 0, waittime = 0;
        char *memf = NULL, *nlistf = NULL;
        struct devstat_match *matches;
@@ -239,7 +239,6 @@ main(int argc, char **argv)
                                oflag++;
                                break;
                        case 't':
-                               tflag++;
                                if (devstat_buildmatch(optarg, &matches,
                                                       &num_matches) != 0)
                                        errx(1, "%s", devstat_errbuf);

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