Fix leak in Cmgui node tool, which caused cmiss_selection to remain indefinitely after created.  https://tracker.physiomeproject.org/show_bug.cgi?id=3745
Fix leak in Cmgui node tool, which caused cmiss_selection to remain indefinitely after created.  https://tracker.physiomeproject.org/show_bug.cgi?id=3745



cmiss/cmgui,cmiss/cmgui