sendmail: switch shebang to /bin/bash

diff --git a/sendmail b/sendmail
index 31cffc782310d1795633dc60eabe7ca5a107999d..8a9df55bccabb04e3b07a2b76ff7c17805e2b4fe 100755 (executable)
--- a/sendmail
+++ b/sendmail
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Copyright (c) 2013 Stefan Huber <shuber@sthu.org>