Change to using 'unsigned long int' for the offset sizes in memory so we can support large pointers on x86_64 and aix.
Change to using 'unsigned long int' for the offset sizes in memory so we
can support large pointers on x86_64 and aix.


git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@4326 3c1deb5b-d424-0410-962d-aba41a686d42

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