spec: Fix missing file.

Author: Michael Friedrich

icinga2.spec

@@ -411,6 +411,7 @@ exit 0
 %attr(0750,%{icinga_user},%{icinga_group}) %dir %{_sysconfdir}/%{name}/features-enabled
 %attr(0750,%{icinga_user},%{icinga_group}) %dir %{_sysconfdir}/%{name}/scripts
 %config(noreplace) %attr(0640,%{icinga_user},%{icinga_group}) %{_sysconfdir}/%{name}/%{name}.conf
+%config(noreplace) %attr(0640,%{icinga_user},%{icinga_group}) %{_sysconfdir}/%{name}/constants.conf
 %config(noreplace) %attr(0640,%{icinga_user},%{icinga_group}) %{_sysconfdir}/%{name}/conf.d/*.conf
 %config(noreplace) %attr(0640,%{icinga_user},%{icinga_group}) %{_sysconfdir}/%{name}/features-available/*.conf
 %config(noreplace) %{_sysconfdir}/%{name}/scripts/*