Update issue_patch.rb

lib/issue_patch.rb

@@ -93,7 +93,7 @@ module IssuePatch
   
   # Create a shareable link for a customer
   def share_link
-    token = DownloadToken.create(:expires_at => Time.now + 24.hours, :issue_id => id)
+    token = CustomerToken.create(:expires_at => Time.now + 24.hours, :issue_id => id)
     link_to "#{tracker} ##{id}: #{subject}", view_path + token.token 
   end