In Review Board 4.0.3, changes were made to the commits list in the New

Review Request page to load enough commits to fill up the scroll area.

However, this change introduced a regression at the tail end of

development, where a variable was renamed but the old name was checked.

This prevented commits from loading indefinitely.
This change fixes that issue, updating the variable name check and

ensuring commits can continue to load.

Tested loading commits in the New Review Request page. I was able to

scroll as long as I wanted, with new commits continuing to load in.