Kill trailing whitespace in ruby files

test/functional/sessions_controller_test.rb

@@ -5,14 +5,14 @@ class SessionsControllerTest < ActionController::TestCase
     setup do
       @user = FactoryGirl.create(:user)
     end
-    
+
     context "new action" do
       should "render" do
         get :new
         assert_response :success
       end
     end
-    
+
     context "create action" do
       should "create a new session" do
         post :create, {:name => @user.name, :password => "password"}
@@ -20,18 +20,18 @@ class SessionsControllerTest < ActionController::TestCase
         assert_equal(@user.id, session[:user_id])
       end
     end
-    
+
     context "destroy action" do
       setup do
         CurrentUser.user = @user
         CurrentUser.ip_addr = "127.0.0.1"
       end
-      
+
       teardown do
         CurrentUser.user = nil
         CurrentUser.ip_addr = nil
       end
-      
+
       should "clear the session" do
         post :destroy, {}, {:user_id => @user.id}
         assert_redirected_to posts_path