Also correct a var clash between the rockbox's gui api and doom plugin git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9451 a1c6a512-1295-4272-9138-f99709370657
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9312 a1c6a512-1295-4272-9138-f99709370657