revid: logging var has wrong case

[Alan Noble]

The logging var (like mode) is lowercase, not title case.

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[Scott Barnard]

Should it be title case to be consistent with the other variables?

[Alan Noble]

No. Our convention to date has been that vars that are common across all NetSender clients (mode, logging, etc.) are lower case, whereas device-specific vars are title case.

If anything, I would prefer all our vars to be lower case. This would be consistent with command-line flags, which are typically lower case (-host not -Host), or camel case.