utils: Fix golint warnings and gofmt the file.
utils: Fix golint warnings and gofmt the file.

tirsen/vitess,mahak/vitess,rnavarro/vitess,tinyspeck/vitess,HubSpot/vitess,tinyspeck/vitess,pivanof/vitess,rnavarro/vitess,pivanof/vitess,pivanof/vitess,enisoc/vitess,tinyspeck/vitess,davygeek/vitess,enisoc/vitess,mattharden/vitess,applift/vitess,sougou/vitess,tirsen/vitess,alainjobart/vitess,dcadevil/vitess,enisoc/vitess,alainjobart/vitess,enisoc/vitess,HubSpot/vitess,rnavarro/vitess,tirsen/vitess,tirsen/vitess,applift/vitess,davygeek/vitess,applift/vitess,dcadevil/vitess,alainjobart/vitess,pivanof/vitess,sougou/vitess,sougou/vitess,mattharden/vitess,rnavarro/vitess,alainjobart/vitess,dcadevil/vitess,vitessio/vitess,rnavarro/vitess,alainjobart/vitess,tirsen/vitess,mahak/vitess,vitessio/vitess,sougou/vitess,dcadevil/vitess,vitessio/vitess,davygeek/vitess,tinyspeck/vitess,enisoc/vitess,HubSpot/vitess,sougou/vitess,davygeek/vitess,mattharden/vitess,vitessio/vitess,applift/vitess,enisoc/vitess,enisoc/vitess,mahak/vitess,mahak/vitess,applift/vitess,dcadevil/vitess,tinyspeck/vitess,mattharden/vitess,dcadevil/vitess,HubSpot/vitess,applift/vitess,pivanof/vitess,rnavarro/vitess,mahak/vitess,applift/vitess,HubSpot/vitess,applift/vitess,alainjobart/vitess,mahak/vitess,mahak/vitess,sougou/vitess,mahak/vitess,tinyspeck/vitess,alainjobart/vitess,rnavarro/vitess,mattharden/vitess,HubSpot/vitess,sougou/vitess,applift/vitess,davygeek/vitess,HubSpot/vitess,tirsen/vitess,mattharden/vitess,vitessio/vitess,vitessio/vitess,pivanof/vitess,tinyspeck/vitess,HubSpot/vitess,vitessio/vitess,sougou/vitess,davygeek/vitess,pivanof/vitess,mattharden/vitess,tirsen/vitess,tirsen/vitess,dcadevil/vitess,davygeek/vitess,pivanof/vitess,tirsen/vitess,rnavarro/vitess,applift/vitess,mattharden/vitess,mattharden/vitess,pivanof/vitess,alainjobart/vitess,mattharden/vitess,rnavarro/vitess,vitessio/vitess