Updated openstack/openstack
Project: openstack/oslo-incubator  e092d0e302758e9bdb0f33b82535dc2e3e18fa43

Improve error handling for conf sample generation

Prevent check_uptodate.sh script to show invalid diff when sample
config can not be generated.

Change-Id: If5739e1cfeee409947fb6bf8d3bcb515426fe764