glib2: Reintroduce FILES_SUBST for INSTALL/DEINSTALL scripts

PKGREVISION++

Index: Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/devel/glib2/Makefile,v
retrieving revision 1.248
diff -u -p -r1.248 Makefile
--- Makefile	3 Jun 2019 23:09:29 -0000	1.248
+++ Makefile	5 Jun 2019 09:49:34 -0000
@@ -4,7 +4,7 @@
 
 CATEGORIES=	devel gnome
 COMMENT=	Some useful routines for C programming (glib2)
-PKGREVISION=	1
+PKGREVISION=	2
 
 DISTINFO_FILE=	${.CURDIR}/../../devel/glib2/distinfo
 PATCHDIR=	${.CURDIR}/../../devel/glib2/patches
@@ -25,6 +25,11 @@ REPLACE_PYTHON+=	gobject/tests/mkenums.p
 REPLACE_PYTHON+=	tests/gen-casefold-txt.py
 REPLACE_PYTHON+=	tests/gen-casemap-txt.py
 
+FILES_SUBST+=		GIO_MODULES_DIR=${PREFIX}/lib/gio/modules
+FILES_SUBST+=		GIO_QUERYMODULES=${PREFIX}/bin/gio-querymodules
+FILES_SUBST+=		GLIB_COMPILE_SCHEMAS=${PREFIX}/bin/glib-compile-schemas
+FILES_SUBST+=		GLIB_SCHEMAS_DIR=${PREFIX}/share/glib-2.0/schemas
+
 BUILD_DEFS+=		VARBASE
 SUBST_CLASSES+=		dbusdb
 SUBST_MESSAGE.dbusdb=	Adjust dbus machine uuid path to dbus package