format the Go code with gofmt

[JupiterRider]

Description of the Change

I ran "gofmt -s -w ." to format the code.

Checklist

• unit-test added (if change is algorithm)
• functional test added/updated (if change is functional)
• man page updated (if applicable)
• bash completion updated (if applicable)
• documentation updated
• author name in AUTHORS

[neolynx]

thanks!