fixup! Work around authentication requirement before user creation

Author: stevenpost

lib/puppet/provider/mongodb_replset/mongo.rb

@@ -145,7 +145,7 @@ def self.replset_properties
       nil
     rescue Puppet::ExecutionFailure => e
       if e.message =~ %r{command replSetGetConfig requires authentication} || e.message =~ %r{not authorized on admin to execute command}
-        output = mongo_command('rs.status()', conn_string)
+        output = mongo_command('rs.status()', host)
         if output['members']
           memb = []
           output['members'].each do |m|