Correct variable name in GRIT's newgrd command.

The "grit newgrd" command was found broken from a previous refactor.
This change addresses the error.

R=thestig@chromium.org

Change-Id: Ia3fb3c2d06a43d0f8223ccd14febdb71153972b6
Reviewed-on: https://chromium-review.googlesource.com/c/1461345
Auto-Submit: Kalvin Lee <kdlee@chromium.org>
Commit-Queue: Kalvin Lee <kdlee@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#630579}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a85274d3062d0bfdadc0c142135608ed5fe2d916
1 file changed