Fix typo in action vs. command
Fix typo in action vs. command

We should be checking the iptables command, not the resource action here.

RE: #112

hemalvarambhia/firewall,chef-cookbooks/firewall,hemalvarambhia/firewall,opscode-cookbooks/firewall,itmustbejj/firewall,williamsjj/firewall,johnbellone/firewall-cookbook,itmustbejj/firewall,williamsjj/firewall,johnbellone/firewall-cookbook,opscode-cookbooks/firewall,chef-cookbooks/firewall