MFH: r535834

Backport r534205 | gerald | 2020-05-06 from emulators/wine-devel:

Push USES=pkgconfig to the global level instead just contingent on the
VKD3D option.

This makes a real difference for the GNUTLS option (on by default) and
others.  Accordingly bump PORTREVISION.

Reported by: Benny Goemans <benny.goemans@belgacom.net>
Approved by: ports-secteam (joneum), portmgr (blanket: dependency issue)