VTTablet: fix some lint warnings
VTTablet: fix some lint warnings

vitessio/vitess,michael-berlin/vitess,sougou/vitess,mahak/vitess,dumbunny/vitess,ptomasroos/vitess,apmichaud/vitess-apm,mapbased/vitess,skyportsystems/vitess,aaijazi/vitess,kuipertan/vitess,rnavarro/vitess,dumbunny/vitess,SDHM/vitess,aaijazi/vitess,yaoshengzhe/vitess,anusornc/vitess,kmiku7/vitess-annotated,michael-berlin/vitess,cloudbearings/vitess,mlc0202/vitess,mapbased/vitess,mlc0202/vitess,cloudbearings/vitess,yangzhongj/vitess,AndyDiamondstein/vitess,atyenoria/vitess,rnavarro/vitess,yangzhongj/vitess,davygeek/vitess,applift/vitess,yaoshengzhe/vitess,applift/vitess,atyenoria/vitess,davygeek/vitess,dcadevil/vitess,mlc0202/vitess,dumbunny/vitess,tjyang/vitess,ngaut/vitess,tirsen/vitess,kmiku7/vitess-annotated,nurblieh/vitess,cgvarela/vitess,erzel/vitess,tjyang/vitess,nurblieh/vitess,enisoc/vitess,mattharden/vitess,vitessio/vitess,erzel/vitess,apmichaud/vitess-apm,nurblieh/vitess,davygeek/vitess,guokeno0/vitess,ngaut/vitess,tinyspeck/vitess,davygeek/vitess,atyenoria/vitess,alainjobart/vitess,yaoshengzhe/vitess,applift/vitess,cloudbearings/vitess,mahak/vitess,netroby/vitess,kmiku7/vitess-annotated,anusornc/vitess,alainjobart/vitess,netroby/vitess,dumbunny/vitess,atyenoria/vitess,ngaut/vitess,anusornc/vitess,guokeno0/vitess,apmichaud/vitess-apm,michael-berlin/vitess,atyenoria/vitess,pivanof/vitess,yaoshengzhe/vitess,dumbunny/vitess,mattharden/vitess,mattharden/vitess,atyenoria/vitess,skyportsystems/vitess,netroby/vitess,skyportsystems/vitess,dumbunny/vitess,cgvarela/vitess,SDHM/vitess,alainjobart/vitess,aaijazi/vitess,mattharden/vitess,mattharden/vitess,erzel/vitess,pivanof/vitess,nurblieh/vitess,kuipertan/vitess,guokeno0/vitess,guokeno0/vitess,pivanof/vitess,applift/vitess,mattharden/vitess,xgwubin/vitess,vitessio/vitess,michael-berlin/vitess,cgvarela/vitess,mapbased/vitess,pivanof/vitess,enisoc/vitess,ptomasroos/vitess,anusornc/vitess,netroby/vitess,netroby/vitess,SDHM/vitess,SDHM/vitess,kuipertan/vitess,atyenoria/vitess,anusornc/vitess,netroby/vitess,tinyspeck/vitess,aaijazi/vitess,SDHM/vitess,mapbased/vitess,xgwubin/vitess,fengshao0907/vitess,sougou/vitess,fengshao0907/vitess,mlc0202/vitess,ptomasroos/vitess,tirsen/vitess,fengshao0907/vitess,netroby/vitess,fengshao0907/vitess,AndyDiamondstein/vitess,HubSpot/vitess,yangzhongj/vitess,skyportsystems/vitess,yaoshengzhe/vitess,mlc0202/vitess,vitessio/vitess,dcadevil/vitess,AndyDiamondstein/vitess,SDHM/vitess,AndyDiamondstein/vitess,tirsen/vitess,xgwubin/vitess,mahak/vitess,fengshao0907/vitess,aaijazi/vitess,tjyang/vitess,yaoshengzhe/vitess,HubSpot/vitess,sougou/vitess,HubSpot/vitess,sougou/vitess,guokeno0/vitess,tirsen/vitess,dcadevil/vitess,tinyspeck/vitess,erzel/vitess,davygeek/vitess,kmiku7/vitess-annotated,kuipertan/vitess,HubSpot/vitess,netroby/vitess,mattharden/vitess,SDHM/vitess,AndyDiamondstein/vitess,aaijazi/vitess,kuipertan/vitess,vitessio/vitess,xgwubin/vitess,AndyDiamondstein/vitess,aaijazi/vitess,cloudbearings/vitess,mapbased/vitess,yangzhongj/vitess,netroby/vitess,mapbased/vitess,erzel/vitess,michael-berlin/vitess,mahak/vitess,mahak/vitess,ptomasroos/vitess,skyportsystems/vitess,skyportsystems/vitess,sougou/vitess,mapbased/vitess,yaoshengzhe/vitess,alainjobart/vitess,anusornc/vitess,applift/vitess,mahak/vitess,rnavarro/vitess,cgvarela/vitess,alainjobart/vitess,tjyang/vitess,kmiku7/vitess-annotated,cgvarela/vitess,pivanof/vitess,mapbased/vitess,skyportsystems/vitess,kmiku7/vitess-annotated,vitessio/vitess,pivanof/vitess,nurblieh/vitess,yangzhongj/vitess,yangzhongj/vitess,mahak/vitess,apmichaud/vitess-apm,cgvarela/vitess,AndyDiamondstein/vitess,guokeno0/vitess,mapbased/vitess,erzel/vitess,tirsen/vitess,dcadevil/vitess,HubSpot/vitess,michael-berlin/vitess,ptomasroos/vitess,dumbunny/vitess,dumbunny/vitess,rnavarro/vitess,tjyang/vitess,guokeno0/vitess,ptomasroos/vitess,yangzhongj/vitess,atyenoria/vitess,mlc0202/vitess,xgwubin/vitess,fengshao0907/vitess,yaoshengzhe/vitess,dcadevil/vitess,HubSpot/vitess,vitessio/vitess,yangzhongj/vitess,mahak/vitess,guokeno0/vitess,HubSpot/vitess,ngaut/vitess,tinyspeck/vitess,tjyang/vitess,xgwubin/vitess,mattharden/vitess,cgvarela/vitess,skyportsystems/vitess,applift/vitess,mapbased/vitess,cloudbearings/vitess,enisoc/vitess,fengshao0907/vitess,sougou/vitess,tirsen/vitess,rnavarro/vitess,rnavarro/vitess,ptomasroos/vitess,alainjobart/vitess,pivanof/vitess,applift/vitess,apmichaud/vitess-apm,mlc0202/vitess,tinyspeck/vitess,enisoc/vitess,sougou/vitess,anusornc/vitess,tinyspeck/vitess,alainjobart/vitess,mattharden/vitess,erzel/vitess,michael-berlin/vitess,nurblieh/vitess,xgwubin/vitess,nurblieh/vitess,AndyDiamondstein/vitess,mlc0202/vitess,kmiku7/vitess-annotated,tjyang/vitess,erzel/vitess,applift/vitess,anusornc/vitess,kuipertan/vitess,fengshao0907/vitess,cloudbearings/vitess,dcadevil/vitess,ngaut/vitess,erzel/vitess,michael-berlin/vitess,fengshao0907/vitess,kmiku7/vitess-annotated,cgvarela/vitess,alainjobart/vitess,sougou/vitess,xgwubin/vitess,rnavarro/vitess,yangzhongj/vitess,mattharden/vitess,HubSpot/vitess,anusornc/vitess,vitessio/vitess,tjyang/vitess,SDHM/vitess,aaijazi/vitess,pivanof/vitess,enisoc/vitess,AndyDiamondstein/vitess,cloudbearings/vitess,dumbunny/vitess,applift/vitess,skyportsystems/vitess,erzel/vitess,kmiku7/vitess-annotated,pivanof/vitess,dcadevil/vitess,xgwubin/vitess,atyenoria/vitess,ptomasroos/vitess,cgvarela/vitess,tinyspeck/vitess,yaoshengzhe/vitess,SDHM/vitess,ptomasroos/vitess,kuipertan/vitess,dumbunny/vitess,nurblieh/vitess,applift/vitess,davygeek/vitess,rnavarro/vitess,kuipertan/vitess,cloudbearings/vitess,tirsen/vitess,tirsen/vitess,rnavarro/vitess,guokeno0/vitess,mlc0202/vitess,cloudbearings/vitess,tjyang/vitess,michael-berlin/vitess,tirsen/vitess,nurblieh/vitess,kuipertan/vitess,enisoc/vitess,aaijazi/vitess,enisoc/vitess,davygeek/vitess