/lib/systemd/system/local-fs.target.wants/run-user.mount is in systemd 44-11+deb7u4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/systemd/system/local-fs.target.wants/../run-user.mount
/lib/systemd/system/local-fs.target.wants/../run-user.mount