emulators/i386-wine*: further unbreak poudriere bulk -a

Previous commits uncovered another error:
[00:02:28] Warning: (emulators/i386-wine-devel): Error: Duplicated origin for -: emulators/i386-wine-devel AND emulators/i386-wine. Rerun with -v to see which ports are depending on these.

This is because PORTNAME and PORTVERSION are not defined.

Submitted by: salvadore (maintainer)