SampleValues has to be public in CheckerRunnerResult for Matlab.

Do to the way the matlab code works, the GenerateMatlabVariableDeclarations
is actually useless.  Thus, make SampleValues public so that the matlab code
can still do what it needs to do.

git-svn-id: https://groke.mcmaster.ca/svn/grad/colin/branches/TableTool_javization@10666 57e6efec-57d4-0310-aeb1-a6c144bb1a8b