vm.rb in vagrant-0.7.2

- old
+ new

@@ -53,9 +53,10 @@
       def network(ip, options=nil)
         options = {
           :ip => ip,
           :netmask => "255.255.255.0",
           :adapter => 1,
+          :mac => nil,
           :name => nil
         }.merge(options || {})
 
         @network_options[options[:adapter]] = options
       end