www: add import of missing AuthError
www: add import of missing AuthError

The removal of this was due to misalignment between two different PRs...
obviously it should be there so adding it back!

Fixes #789.

ettrig/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,fredsod/NIPAP,garberg/NIPAP,garberg/NIPAP