Kill trailing whitespace in ruby files

test/functional/bans_controller_test.rb

@@ -9,32 +9,32 @@ class BansControllerTest < ActionController::TestCase
       @user = FactoryGirl.create(:user)
       @ban = FactoryGirl.create(:ban, :user_id => @user.id)
     end
-    
+
     teardown do
       CurrentUser.user = nil
       CurrentUser.ip_addr = nil
     end
-    
+
     should "get the new page" do
       get :new, {}, {:user_id => @mod.id}
       assert_response :success
     end
-    
+
     should "get the edit page" do
       get :edit, {:id => @ban.id}, {:user_id => @mod.id}
       assert_response :success
     end
-    
+
     should "get the show page" do
       get :show, {:id => @ban.id}
       assert_response :success
     end
-    
+
     should "get the index page" do
       get :index
       assert_response :success
     end
-    
+
     should "create a ban" do
       assert_difference("Ban.count", 1) do
         post :create, {:ban => {:duration => 60, :reason => "xxx", :user_id => @user.id}}, {:user_id => @mod.id}
@@ -42,14 +42,14 @@ class BansControllerTest < ActionController::TestCase
       ban = Ban.last
       assert_redirected_to(ban_path(ban))
     end
-    
+
     should "update a ban" do
       post :update, {:id => @ban.id, :ban => {:reason => "xxx", :duration => 60}}, {:user_id => @mod.id}
       @ban.reload
       assert_equal("xxx", @ban.reason)
       assert_redirected_to(ban_path(@ban))
     end
-    
+
     should "destroy a ban" do
       assert_difference("Ban.count", -1) do
         post :destroy, {:id => @ban.id}, {:user_id => @mod.id}