Kill trailing whitespace in ruby files

test/functional/post_flags_controller_test.rb

@@ -7,30 +7,30 @@ class PostFlagsControllerTest < ActionController::TestCase
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"
     end
-    
+
     teardown do
       CurrentUser.user = nil
       CurrentUser.ip_addr = nil
     end
-    
+
     context "new action" do
       should "render" do
         get :new, {}, {:user_id => @user.id}
         assert_response :success
       end
     end
-    
+
     context "index action" do
       setup do
         @post = FactoryGirl.create(:post)
         @post_flag = FactoryGirl.create(:post_flag, :post => @post)
       end
-      
+
       should "render" do
         get :index, {}, {:user_id => @user.id}
         assert_response :success
       end
-      
+
       context "with search parameters" do
         should "render" do
           get :index, {:search => {:post_id => @post_flag.post_id}}, {:user_id => @user.id}
@@ -38,12 +38,12 @@ class PostFlagsControllerTest < ActionController::TestCase
         end
       end
     end
-    
+
     context "create action" do
-      setup do 
+      setup do
         @post = FactoryGirl.create(:post)
       end
-      
+
       should "create a new flag" do
         assert_difference("PostFlag.count", 1) do
           post :create, {:format => "js", :post_flag => {:post_id => @post.id, :reason => "xxx"}}, {:user_id => @user.id}