Merge pull request #848 from twe4ked/fix-generated-file-whitespace

Fix whitespace in generated ability.rb

lib/generators/cancan/ability/templates/ability.rb

@@ -11,12 +11,12 @@ class Ability
     #     can :read, :all
     #   end
     #
-    # The first argument to `can` is the action you are giving the user 
+    # The first argument to `can` is the action you are giving the user
     # permission to do.
     # If you pass :manage it will apply to every action. Other common actions
     # here are :read, :create, :update and :destroy.
     #
-    # The second argument is the resource the user can perform the action on. 
+    # The second argument is the resource the user can perform the action on.
     # If you pass :all it will apply to every resource. Otherwise pass a Ruby
     # class of the resource.
     #