Fix a broken link to the newly added one-page Skylark overview.
Now we only have to find out why it's not being rendered properly.
MOS_MIGRATED_REVID=149524453
@@ -93,7 +93,7 @@ version_prefix: /versions/master
<li><a href="{{ page.version_prefix }}/docs/skylark/aspects.html">Aspects</a></li>
<li><a href="{{ page.version_prefix }}/docs/skylark/repository_rules.html">Repository rules</a></li>
<li><a href="{{ page.version_prefix }}/docs/rule-challenges.html">Challenges of writing rules</a></li>
- <li><a href="{{ page.version_prefix }}/docs/skylark-overview.html">Reference</a></li>
+ <li><a href="{{ page.version_prefix }}/docs/skylark/lib/skylark-overview.html">Reference</a></li>
<li><a href="{{ page.version_prefix }}/docs/skylark/cookbook.html">Examples</a></li>
<li><a href="{{ page.version_prefix }}/docs/skylark/deploying.html">Packaging rules</a></li>
<li><a href="https://skydoc.bazel.build" target="_blank">Documenting rules</a></li>
