Mark t1301 permission test to depend on POSIXPERM

This prepares the topic for inclusion to master.

diff --cc t/t1301-shared-repo.sh
index 3fddc9ee781ba9fb5d189bbc5ec0b900b159723a,750fbb32e87e0eb8f7a95928f9b407036822c7ad..de42d21c922045415abedf3c81163682d0754eb5
--- 1/t/t1301-shared-repo.sh
--- 2/t/t1301-shared-repo.sh
+++ b/t/t1301-shared-repo.sh
@@@ -126,7 -126,7 +126,7 @@@ test_expect_success POSIXPERM 'git refl
        esac
  '
  
--test_expect_success 'forced modes' '
++test_expect_success POSIXPERM 'forced modes' '
        mkdir -p templates/hooks &&
        echo update-server-info >templates/hooks/post-update &&
        chmod +x templates/hooks/post-update &&