Summary:
The current/old example does not link to the correct subdirectories.
The old example created two links to the same parent directory instead of two links to the seperate subdirectories.
I corrected the example code, so the two links link to the two seperate subdirectories.
Pull Request resolved: https://github.com/facebookresearch/Detectron/pull/846

Reviewed By: rbgirshick

Differential Revision: D14703901

Pulled By: ir413

fbshipit-source-id: b6525b7414a8b9c2dba819a76bae245d06a3b499