Fixes setup compatibility issue on Windows
Fixes setup compatibility issue on Windows

Fixes Bug #1052161

"python setup.py build" fails on Windows due to a hardcoded shell path:
/bib/sh.

Change-Id: Iee0a1fcbdabfd469e92fa73002763d419e75ec27

JioCloud/oslo-incubator,JioCloud/oslo-incubator,JioCloud/oslo-incubator