[asterisk] updates for systemd unit file

[Jeffrey C. Ollie]

commit 178e9a0c0fbd0c4dfc0b11b73dda4a0300bc429b
Author: Jeffrey C. Ollie <jeff at ocjtech.us>
Date:   Mon Oct 3 08:06:22 2011 -0500

    updates for systemd unit file

 asterisk.service |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/asterisk.service b/asterisk.service
index be0c2a8..fcf0d30 100644
--- a/asterisk.service
+++ b/asterisk.service
@@ -1,9 +1,11 @@
 [Unit]
 Description=Asterisk PBX and telephony daemon.
-After=syslog.target network.target
+After=network.target
 
 [Service]
 Type=simple
+Environment=HOME=/var/lib/asterisk
+WorkingDirectory=/var/lib/asterisk
 User=asterisk
 Group=asterisk
 ExecStart=/usr/sbin/asterisk -f -C /etc/asterisk/asterisk.conf