Escaped forward slash in script closing tag. Fixes #6495.

Author: jaspermdegroot

js/jquery.hashchange.js

@@ -359,7 +359,7 @@
           iframe_doc.open();
 
           // Set document.domain for the Iframe document as well, if necessary.
-          domain && iframe_doc.write( '<script>document.domain="' + domain + '"</script>' );
+          domain && iframe_doc.write( '<script>document.domain="' + domain + '"<\/script>' );
 
           iframe_doc.close();