Bug#983102: casync FTCBFS: python3-sphinx dependency not installable

[Martin Pitt]

Control: tag -1 pending

Hello Helmut,

Helmut Grohne [2021-02-19  7:29 +0100]:
> As such I propose simply annotating the dependency :native and doing so is
> sufficient to make casync cross buildable. Please consider applying the
> attached patch.

Thanks for fixing that! I applied your patch to git. I'll do some other
house-keeping now, and do an upload today.

Martin