modified the value of MPI_COMM_NULL to two, since we need to have a valid

entry in the f_to_c translation table for this object. We still wanted
to be MPI_COMM_WORLD zero and MPI_COMM_SELF 1.

Reviewed and agreed by Jeff.

This commit was SVN r1146.

include/mpif.h.in

@@ -128,7 +128,7 @@
        integer MPI_INFO_NULL
 
        parameter (MPI_GROUP_NULL=-1)
-       parameter (MPI_COMM_NULL=-1)
+       parameter (MPI_COMM_NULL=2)
        parameter (MPI_DATATYPE_NULL=-1)
        parameter (MPI_REQUEST_NULL=-1)
        parameter (MPI_OP_NULL=-1)