correcting errors related with a constrain subroutine

git-svn-id: https://svn.ices.utexas.edu/repos/clsb/trunk/moil@4949 90e2fc84-bd37-0410-82f1-ae2f889bfac2
constrain subroutine

git-svn-id: https://svn.ices.utexas.edu/repos/clsb/trunk/moil@4950 90e2fc84-bd37-0410-82f1-ae2f889bfac2
adding compilation of constraint subroutine

git-svn-id: https://svn.ices.utexas.edu/repos/clsb/trunk/moil@4951 90e2fc84-bd37-0410-82f1-ae2f889bfac2