Add dependency on golang-github-shurcool-sanitized-anchor-name-dev
Add dependency on golang-github-shurcool-sanitized-anchor-name-dev

Blackfriday began using
"github.com/shurcooL/go/github_flavored_markdown/sanitized_anchor_name"
with commit 40f28ee0224972fc3ac84999e877778a81f1e87d on 2014-11-01,
and later changed to "github.com/shurcooL/sanitized_anchor_name"
with commit f4655604b394cf7f941cbebea9bbf0e3ed9afd88 on 2015-04-07.

tianon/debian-golang-blackfriday,tianon/debian-golang-blackfriday