Kill trailing whitespace in ruby files

app/helpers/delayed_jobs_helper.rb

@@ -3,28 +3,28 @@ module DelayedJobsHelper
     case job.name
     when "Class#expire_cache"
       "<strong>expire post count cache</strong>: " + job.payload_object.args.flatten.join(" ")
-      
+
     when "Upload#process!"
       '<strong>upload post</strong>: <a href="/uploads/' + job.payload_object.object.id.to_s + '">record</a>'
-      
+
     when "Tag#update_related"
       "<strong>update related tags</strong>: " + job.payload_object.name
-      
+
     when "TagAlias#process!"
       '<strong>alias</strong>: ' + job.payload_object.antecedent_name + " -&gt; " + job.payload_object.consequent_name
-      
+
     when "TagImplication#process!"
       '<strong>implication</strong>: ' + job.payload_object.antecedent_name + " -&gt; " + job.payload_object.consequent_name
-    
+
     when "Class#clear_cache_for"
       "<strong>expire tag alias cache</strong>: " + job.payload_object.flatten.join(" ")
-    
+
     when "Tag#update_category_cache"
       "<strong>update tag category cache</strong>: " + job.payload_object.name
 
     when "Tag#update_category_post_counts"
       "<strong>update category post counts</strong>: " + job.payload_object.name
-      
+
     else
       job.handler
     end