gitolite: Install perl-Sys-Syslog

This is needed for gitolite to log to syslog.

roles/gitolite/base/tasks/main.yml

@@ -5,6 +5,7 @@
   yum: pkg={{item}} state=present
   with_items:
   - gitolite3
+  - perl-Sys-Syslog
 
 - name: ensure the /etc/gitolite directory
   file: path=/etc/gitolite owner=root group=root mode=0755 state=directory