/usr/share/emacs/site-lisp/wl/etc/icons is in wl-beta 2.15.9+0.20130701-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/emacs/site-lisp/wl/etc/../../../../pixmaps/wl
/usr/share/emacs/site-lisp/wl/etc/../../../../pixmaps/wl