xbps-triggers: add back compat symlinks; might be needed by some pkgs yet.

srcpkgs/xbps-triggers/template

@@ -1,6 +1,6 @@
 # Template file for 'xbps-triggers'
 pkgname=xbps-triggers
-version=0.88
+version=0.89
 revision=1
 noarch=yes
 bootstrap=yes
@@ -17,4 +17,7 @@ do_install() {
 		vinstall ${FILESDIR}/${_trigger} 750 ${_triggersdir}
 		echo "# end" >> ${DESTDIR}/${_triggersdir}/${_trigger}
 	done
+	vmkdir var/db/xbps
+	cd ${DESTDIR}/var/db/xbps
+	ln -sf ../../../${_triggersdir} triggers
 }