Resolve additional internal static analysis warnings in fsw

[skliper]

Checklist (Please check before submitting)

• I reviewed the Contributing Guide.
• I reviewed the CF README.md file to see if the feature is in the major future work.
• I performed a cursory search to see if the feature request is relevant, not redundant, nor in conflict with other tickets.

Is your feature request related to a problem? Please describe.
4 "red" errors reported by internal static analysis (license restricts publishing results)

Describe the solution you'd like
Resolve the warnings (uninit variable * 3 and one non-distinct identifier)

Describe alternatives you've considered
None

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC