[minor] Update indentation in `lib/pkgcloud/common/auth.js`
[minor] Update indentation in `lib/pkgcloud/common/auth.js`

temka1234/pkgcloud,andrewsomething/pkgcloud,DonSchenck/pkgcloud,mcanthony/pkgcloud,dionjwa/pkgcloud,hacor/pkgcloud,Phanatic/pkgcloud,songanbui/pkgcloud,Phanatic/pkgcloud,Hopebaytech/pkgcloud,mdsummers/pkgcloud,pkgcloud/pkgcloud,apla/pkgcloud,bunglestink/pkgcloud