main/tmux: fix CVE-2020-27347

See: #12094
7 jobs for !14507 with 3.10-tmux in 6 minutes and 21 seconds
detached
Status Job ID Name Coverage
  Lint
passed #245019
docker-alpine x86_64
lint

00:02:20

 
  Build
passed #245024
docker-alpine ci-build aarch64
build-aarch64

00:02:00

passed #245025
docker-alpine ci-build armv7
build-armv7

00:02:29

passed #245023
docker-alpine ci-build ppc64le
build-ppc64le

00:03:59

passed #245022
docker-alpine ci-build s390x
build-s390x

00:02:35

passed #245021
docker-alpine ci-build x86
build-x86

00:01:31

passed #245020
docker-alpine ci-build x86_64
build-x86_64

00:01:34