Make a couple of formatting changes

* Line up the parameter defaults in init.pp
* Put the leading whitespace ahead of the statistics-channel conditional block
  inside the condition to avoid superfluous blank lines in the generated file

templates/named.conf.erb

@@ -2,8 +2,8 @@
 include "<%= @confdir %>/acls.conf";
 include "<%= @confdir %>/keys.conf";
 include "<%= @confdir %>/views.conf";
-
 <%- if @statistics_port -%>
+
 statistics-channels {
     inet 127.0.0.1 port <%= @statistics_port %> allow { 127.0.0.1; };
 };