double slash in home_url

Hi,
I am using your plugin. For a search form my theme calls the function home_url with the path argument:
home_url ( '/' );
But instead of “/” I receive “//”. My search form is broken. 😀

Yes, I know: Calling home_ur(‘/’) is like calling home_url(). But such a call is legit and I do not want to edit my theme code for such a issue. 🙂

Can you fix it? Thank you 😀

http://wordpress.org/extend/plugins/relative-url/