message: Fix sub-directory support for extension setup from source
diff: @@ -64,8 +64,9 @@ add_extension_from_source() {
  add_devtools phpize >/dev/null
  delete_extension "$extension"
  run_group "git clone -nv $domain/$org/$repo /tmp/$repo-$release" "git clone"
  - cd /tmp/"$repo-$release/$sub_dir" || exit 1
  + cd /tmp/"$repo-$release" || exit 1
  git checkout -q "$release"
  + cd $sub_dir || exit 1
  if ! [ "$(find . -maxdepth 1 -name '*.m4' -exec grep -H 'PHP_NEW_EXTENSION' {} \; | wc -l)" != "0" ]; then
  add_log "${cross:?}" "$domain/$org/$repo" "$domain/$org/$repo does not have a PHP extension"
  else
  