git: 2abaf8acd51c - stable/15 - diff3: plug fd leak

The branch stable/15 has been updated by bapt:

URL: https://cgit.FreeBSD.org/src/commit/?id=2abaf8acd51cf12a8a2e68b28ec24b9d37cbceaa

commit 2abaf8acd51cf12a8a2e68b28ec24b9d37cbceaa
Author:     Baptiste Daroussin <bapt@FreeBSD.org>
AuthorDate: 2026-03-26 07:40:29 +0000
Commit:     Baptiste Daroussin <bapt@FreeBSD.org>
CommitDate: 2026-04-06 16:51:46 +0000

    diff3: plug fd leak
    
    MFC After:      1 week
    Reported by:    kib
    
    (cherry picked from commit 33424fd50ee0333bc6f70b5b14a270b85e5b5de1)
---
 usr.bin/diff3/diff3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usr.bin/diff3/diff3.c b/usr.bin/diff3/diff3.c
index 75e8c6297855..8212b51e15a2 100644
--- a/usr.bin/diff3/diff3.c
+++ b/usr.bin/diff3/diff3.c
@@ -947,6 +947,7 @@ wait_and_check(int pd)
 		if (errno != EINTR)
 			err(2, "pdwait");
 	}
+	close(pd);
 
 	if (WIFEXITED(status) && WEXITSTATUS(status) >= 2)
 		errx(2, "diff exited abnormally");