pkg/53063: USE_PKGLOCALEDIR broken?

[triaxx%NetBSD.org@localhost]

>Number:         53063
>Category:       pkg
>Synopsis:       USE_PKGLOCALEDIR broken?
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Mar 01 16:40:00 +0000 2018
>Originator:     Frédéric Fauberteau
>Release:        pkgsrc-HEAD
>Organization:
>Environment:
FreeBSD cocoon.triaxx.org 11.1-RELEASE-p4 FreeBSD 11.1-RELEASE-p4 #0: Tue Nov 14 06:12:40 UTC 2017     root%amd64-builder.daemonology.net@localhost:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
I am working on wip/lightdm and its Makefile includes USE_PKGLOCALEDIR=yes. But 'bmake print-PLIST' produces a file containing lines as share/locale/[...] instead of ${PKGLOCALEDIR}/locale/[...].
>How-To-Repeat:
bmake print-PLIST
>Fix: