Fix engine crash on Windows when cmfe expressions were passed invalid file name. Resolves #1733.

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.7RC/src@22798 18c085ea-50e0-402c-830e-de6fd14e8384
Fix stack-corruption errors detected by Visual Studio 2012.

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.7RC/src@22801 18c085ea-50e0-402c-830e-de6fd14e8384
Fix bug applying named selection when 'Auto apply updated selections' was selected before selection was applied to a plot.

git-svn-id: svn+ssh://portal-auth.nersc.gov/project/projectdirs/visit/svn/visit/branches/2.7RC/src@22807 18c085ea-50e0-402c-830e-de6fd14e8384