fix/retab indent in bash_completion [no-ci]
fix/retab indent in bash_completion [no-ci]

PeterDaveHelloKitchen/nvm,creationix/nvm,edwmurph/nvm,creationix/nvm,PeterDaveHello/nvm,PeterDaveHelloKitchen/nvm,ljharb/nvm,edwmurph/nvm,PeterDaveHello/nvm,evocateur/nvm,evocateur/nvm,ljharb/nvm