Rename variable.
Rename variable.

The old name implied it was a github client. It is a repository object
in reality.

adrianmoisey/lint-review,zoidbergwill/lint-review,zoidbergwill/lint-review,adrianmoisey/lint-review,markstory/lint-review,zoidbergwill/lint-review,markstory/lint-review,markstory/lint-review