[astro] fixes for BSD

autogen.sh

-#!/bin/sh
+#!/usr/bin/env bash
   echo "[encoding: UTF-8]" > po/POTFILES.in \
-  && ls data/gajim.desktop.in.in data/glade/*.glade \
-  src/*py src/common/*py src/common/zeroconf/*.py -1 -U >> \
+  && ls -1 -U data/gajim.desktop.in.in data/glade/*.glade \
+  src/*py src/common/*py src/common/zeroconf/*.py >> \
   po/POTFILES.in || exit 1
   set -x
   intltoolize --force --automake \