fix(helm): show correct filename on error
fix(helm): show correct filename on error

Closes #895

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