diff -uNr dl-0.12.orig/client/thunderbird-filelink-dl/build.sh dl-0.12/client/thunderbird-filelink-dl/build.sh
--- dl-0.12.orig/client/thunderbird-filelink-dl/build.sh 2013-12-01 09:21:38.000000000 -0700
+++ dl-0.12/client/thunderbird-filelink-dl/build.sh 2014-07-30 22:09:36.494345692 -0700
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# build.sh -- builds JAR and XPI files for mozilla extensions
# by Nickolay Ponomarev <asqueella@gmail.com>
# (original version based on Nathan Yergler's build script)