fix function name

source/modules/rolechooser.rb

@@ -29,7 +29,7 @@ class Mod_RoleChooser < Vrobot4::Module::Module
       m.reply "Successfully removed you from the vanity role."
    end
 
-   def c_listcolors m, argv
+   def c_listvroles m, argv
       text = ""
       for role in @info do
          text << m.chan.real.server.role(role).name + "\n"