Kill trailing whitespace in ruby files

test/functional/ip_bans_controller_test.rb

@@ -7,7 +7,7 @@ class IpBansControllerTest < ActionController::TestCase
       CurrentUser.user = @admin
       CurrentUser.ip_addr = "127.0.0.1"
     end
-    
+
     context "new action" do
       should "render" do
         get :new, {}, {:user_id => @admin.id}
@@ -22,17 +22,17 @@ class IpBansControllerTest < ActionController::TestCase
         end
       end
     end
-    
+
     context "index action" do
       setup do
         FactoryGirl.create(:ip_ban)
       end
-      
+
       should "render" do
         get :index, {}, {:user_id => @admin.id}
         assert_response :success
       end
-      
+
       context "with search parameters" do
         should "render" do
           get :index, {:search => {:ip_addr => "1.2.3.4"}}, {:user_id => @admin.id}
@@ -40,12 +40,12 @@ class IpBansControllerTest < ActionController::TestCase
         end
       end
     end
-    
+
     context "destroy action" do
       setup do
         @ip_ban = FactoryGirl.create(:ip_ban)
       end
-      
+
       should "destroy an ip ban" do
         assert_difference("IpBan.count", -1) do
           post :destroy, {:id => @ip_ban.id, :format => "js"}, {:user_id => @admin.id}