Provide some vars for use in template's targets.

These new vars are DESTDIR (by default XBPS_DESTDIR/pkgname-version),
SRCPKGDESTDIR (XBPS_DESTDIR/sourcepkg-version) and FILESDIR
(XBPS_TEMPLATESDIR/pkgname/files).

This simplifies packages that used them.

--HG--
extra : convert_revision : 287ea7128cb5df19870ca7aff0a3b8f99a11d63a

templates/minilogd/template

@@ -14,12 +14,10 @@ Add_dependency run glibc
 
 do_install()
 {
-	local destdir=$XBPS_DESTDIR/$pkgname-$version
-
-	install -d ${destdir}/sbin
+	install -d ${DESTDIR}/sbin
 
 	cd ${FILESDIR}
 	gcc ${CFLAGS} minilogd.c -o minilogd
 	chmod 755 minilogd
-	mv minilogd ${destdir}/sbin
+	mv minilogd ${DESTDIR}/sbin
 }