Ensure module path is present when generating to files
Ensure module path is present when generating to files

When a namespace is imported during processing without providing a top-level
prefix registration the system might fail to infer a name for the generated
module.  Create one on the fly.

jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,CantemoInternal/pyxb,balanced/PyXB,pabigot/pyxb,CantemoInternal/pyxb,balanced/PyXB,jonfoster/pyxb2,jonfoster/pyxb2,jonfoster/pyxb-upstream-mirror,balanced/PyXB,pabigot/pyxb