fix(Makefile): improve gofmt output on errors
fix(Makefile): improve gofmt output on errors

thomastaylor312/helm,iamzhout/helm,flynnduism/helm,flynnduism/helm,jackgr/helm,migmartri/helm,jackgr/helm,qwangrepos/helm,vaikas-google/deployment-manager,bradj/helm,helm/helm,jackgr/helm,FengyunPan/helm,yan234280533/helm,sparkprime/helm,SlickNik/helm,adamreese/helm,iamzhout/helm,michelleN/deployment-manager,bradj/helm,kdada/helm,michelleN/deployment-manager,eicnix/helm,rbwsam/helm,adamreese/deployment-manager,michelleN/deployment-manager,qwangrepos/helm,jackgr/helm,helm/helm,yan234280533/helm,jascott1/helm,bacongobbler/helm,technosophos/deployment-manager,technosophos/k8s-helm,adamreese/deployment-manager,jascott1/helm,technosophos/deployment-manager,technosophos/deployment-manager,rbwsam/helm,michelleN/deployment-manager,migmartri/helm,appscode/helm,technosophos/k8s-helm,SlickNik/helm,eicnix/helm,sushilkm/helm,fibonacci1729/helm,adamreese/helm,vaikas-google/deployment-manager,appscode/helm,sparkprime/helm,sparkprime/helm,bacongobbler/helm,sushilkm/helm,adamreese/deployment-manager,kdada/helm,technosophos/deployment-manager,jackgr/helm,sparkprime/helm,fibonacci1729/helm,adamreese/deployment-manager,sparkprime/helm,technosophos/deployment-manager,FengyunPan/helm,adamreese/deployment-manager,thomastaylor312/helm