[PATCH 06 of 10] py3: add support to pass bool type variable into pycompat.sysbytes()

[Yuya Nishihara]

On Fri, 2 Jun 2017 07:35:25 +0530, Pulkit Goyal wrote:
> > Maybe you want bytestr() instead?
> 
> I didn't thought about that, sorry. I will send a V2 with bytestr()
> and other changes. Can you please drop this and the next one before
> they get public.

Okay, pruned a0d174b5ba0b and ad84062b826c. And now I'm reviewing the
changesets to be rebased.