Kill trailing whitespace in ruby files

test/unit/post_pruner_test.rb

@@ -6,7 +6,7 @@ class PostPrunerTest < ActiveSupport::TestCase
     CurrentUser.user = @user
     CurrentUser.ip_addr = "127.0.0.1"
     MEMCACHE.flush_all
-    
+
     @flagger = FactoryGirl.create(:user)
     @old_post = FactoryGirl.create(:post, :created_at => 5.days.ago, :is_pending => true)
     @unresolved_flagged_post = FactoryGirl.create(:post, :is_flagged => true)
@@ -16,25 +16,25 @@ class PostPrunerTest < ActiveSupport::TestCase
       @unresolved_post_flag = FactoryGirl.create(:post_flag, :created_at => 5.days.ago, :is_resolved => false, :post_id => @unresolved_flagged_post.id)
       @resolved_post_flag = FactoryGirl.create(:post_flag, :created_at => 5.days.ago, :is_resolved => true, :post_id => @resolved_flagged_post.id)
     end
-    
+
     PostPruner.new.prune!
   end
-  
+
   teardown do
     CurrentUser.user = nil
     CurrentUser.ip_addr = nil
   end
-  
+
   should "prune old pending posts" do
     @old_post.reload
     assert(@old_post.is_deleted?)
   end
-  
+
   should "prune old flagged posts that are still unresolved" do
     @unresolved_flagged_post.reload
     assert(@unresolved_flagged_post.is_deleted?)
   end
-  
+
   should "not prune old flagged posts that are resolved" do
     @resolved_flagged_post.reload
     assert(!@resolved_flagged_post.is_deleted?)