Fixed cmgui-motif runtime error due to a bug that cmgui tried to free the  same address twice. Tracker item 2417 https://tracker.physiomeproject.org/show_bug.cgi?id=2417
Fixed cmgui-motif runtime error due to a bug that cmgui tried to free the  same address twice. Tracker item 2417 https://tracker.physiomeproject.org/show_bug.cgi?id=2417

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@6960 3c1deb5b-d424-0410-962d-aba41a686d42

OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc