Add preferred_servers feature.

This adds:

`preferred_servers` [Array]: The servers to prefer.

As requested by Erik Dalén!

1 files changed, 4 insertions, 4 deletions

diff --git a/spec/system/ntp_config_spec.rb b/spec/system/ntp_config_spec.rb
index 263bc9d..194cdf1 100644
--- a/spec/system/ntp_config_spec.rb
+++ b/spec/system/ntp_config_spec.rb
@@ -27,9 +27,9 @@ describe 'ntp::config class' do
     end
   end
 
-    describe file('/etc/ntp.conf') do
-      it { should be_file }
-      it { should contain line }
-    end
+  describe file('/etc/ntp.conf') do
+    it { should be_file }
+    it { should contain line }
+  end
 
 end