[postgrey/f20] Fix systemd option with backslash added.

[Christopher Meng]

commit b42c7d5c620c98bab2012d3f913a2245b81b9cb3
Author: Christopher Meng <i at cicku.me>
Date:   Tue Jan 21 10:11:38 2014 +0800

    Fix systemd option with backslash added.

 postgrey.service |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/postgrey.service b/postgrey.service
index 7dd3425..ebd316e 100644
--- a/postgrey.service
+++ b/postgrey.service
@@ -16,7 +16,7 @@ ExecStart=/usr/sbin/postgrey \
  --pidfile=/var/run/postgrey.pid \
  --group=postgrey \
  --user=postgrey \
- --greylist-text="Greylisted for %%s seconds"
+ --greylist-text="Greylisted for %%s seconds" \
  --daemonize \
  $POSTGREY_OPTS