Fix nix option related camel casing.

This commit fixes the issue introduced in Change 383
(ID: Ie6d40f809b2662268a9a6fa8b241641bbfef9442)

Change-Id: Ie872bd7600c3f8e61895cbfb1f8fe2e00041168a
Reviewed-on: https://git.clicks.codes/c/Chimera/NixFiles/+/407
Reviewed-by: Skyler Grey <minion@clicks.codes>
Tested-by: Samuel Shuert <coded@clicks.codes>
2 files changed