free d at program end
free d at program end

to silence warnings from memory checkers

Signed-off-by: Serge Hallyn <3df611b026e4639bee8aef7a4beb2e39fcebb313@ubuntu.com>

rhatdan/lxcfs,Xeno22/lxcfs,evgeni/pkg-lxcfs-debian,ralt/lxcfs,ralt/lxcfs,evgeni/pkg-lxcfs-debian,Xeno22/lxcfs,rhatdan/lxcfs