[ntp/f18] don't fail when /etc/sysconfig/ntpd is missing

[Miroslav Lichvar]

commit eefe98099e95eee6a622f03a5af95373a1a2ce4e
Author: Miroslav Lichvar <mlichvar at redhat.com>
Date:   Fri Nov 23 13:25:08 2012 +0100

    don't fail when /etc/sysconfig/ntpd is missing

 ntpd.service |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/ntpd.service b/ntpd.service
index 74069b1..77193f8 100644
--- a/ntpd.service
+++ b/ntpd.service
@@ -5,7 +5,7 @@ Wants=ntp-wait.service
 
 [Service]
 Type=forking
-EnvironmentFile=/etc/sysconfig/ntpd
+EnvironmentFile=-/etc/sysconfig/ntpd
 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS
 PrivateTmp=true
 ControlGroup=cpu:/