message: fix issue link in "crate failed to build" message
diff: <div class="warning">{{name}}-{{version}} is not a library.</div>
  {{else}}
  {{#unless build_status}}
  - <div class="warning">docs.rs failed to build {{name}}-{{version}}<br>Please check <a href="/crate/{{name}}/{{version}}/builds">build logs</a> and if you believe this is docs.rs' fault, report into <a href="https://github.com/onur/docs.rs/issues/23">this issue report</a>.</div>
  + <div class="warning">docs.rs failed to build {{name}}-{{version}}<br>Please check <a href="/crate/{{name}}/{{version}}/builds">build logs</a> and if you believe this is docs.rs' fault, report into <a href="https://github.com/rust-lang-nursery/docs.rs/issues/23">this issue report</a>.</div>
  {{else}}
  {{#unless rustdoc_status}}
  <div class="warning">{{name}}-{{version}} doesn't have any documentation.</div>
  