Add missing sound file (bug #2077)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3975 65c4cc65-6c06-0410-ace0-fbb531ad65f3

sounds.txt

@@ -220,6 +220,8 @@
 
 %vm-youhave.gsm%you have
 
+%vm-newuser.gsm%Welcome to Comedian Mail. First, I will guide you through a short setup process.
+
 %priv-sayname.gsm%After the tone, please say your name or the company you represent.
 
 %priv-trying.gsm%Please hold while I attempt to contact your party.