Revert previous, jperkin says it's wrong.
move from pkgsrc wip
(change from wip package: install README)

LXSession is the default session manager of LXDE. It is used to
start and setup the desktop environment.  It can optionally restart
crashed programs.  It includes a built-in lightweight Xsettings
daemon which can configure gtk+ themes, keyboard, and mouse.  It
also provides a logout program.
added x11/lxsession (from wip)
Fix NetBSD build with gcc <= 4.5 on arm (missing builtin atomics).