tools: apply stricter indentation rules to tools
ESLint 4.0.0 provides stricter (and more granular) indentation checking than previous versions. Apply the stricter indentation rules to the tools directory.
In preparation for applying the more strict indentation linting available in ESLint 4.0.0, correct minor indentation issues in tools/eslint-rules/required-modules.js.
This is the only file with indentation that does not conform to the stricter checks.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
tools