Update cs_server_list.rb

Found bug in the array return.

Author: sbotman

lib/chef/knife/cs_server_list.rb

@@ -77,10 +77,10 @@ def run
       rules       = connection.list_port_forwarding_rules(nil, true)
       public_list = connection.list_public_ip_addresses(true)
       result      = connection.list_object(params, "virtualmachine")
-      result.each do |n| 
-        public_ip  = connection.get_server_public_ip(n, rules, public_list) if locate_config_value(:public_ip)
-        private_ip = n['nic'].select { |k| k['isdefault'] }       
-        public_ip ? n['ipaddress'] = public_ip : n['ipaddress'] = private_ip['ipaddress'] || "N/A" 
+      result.each do |n|
+        public_ip = connection.get_server_public_ip(n, rules, public_list) if locate_config_value(:public_ip)
+        private_ip = (n['nic'].select { |k| k['isdefault'] }).first
+        public_ip ? n['ipaddress'] = public_ip : n['ipaddress'] = private_ip['ipaddress'] || "N/A"
       end
 
       list_object(columns, result)