Mac version of 'cuserid' and const adjustments to 'rsInterface.cpp'.
Mac version of 'cuserid' and const adjustments to 'rsInterface.cpp'.

'rsInterface.cpp' now compiles happily on the Mac.

VisionAerie/vision,c-kuhlman/vision,VisionAerie/vision,c-kuhlman/vision,vision-dbms/vision,MichaelJCaruso/vision,vision-dbms/vision,VisionAerie/vision,c-kuhlman/vision,VisionAerie/vision,VisionAerie/vision,vision-dbms/vision,VCommitter/vision,MichaelJCaruso/vision,vision-dbms/vision,MichaelJCaruso/vision,VCommitter/vision,VisionAerie/vision,VCommitter/vision,vision-dbms/vision,VCommitter/vision,VCommitter/vision,MichaelJCaruso/vision,c-kuhlman/vision,vision-dbms/vision,VCommitter/vision,VisionAerie/vision,MichaelJCaruso/vision,MichaelJCaruso/vision,c-kuhlman/vision,VCommitter/vision