When --enable-mpi1-compatibility was specified, the ompi_mpi_ub/lb
symbols were #if'ed out of mpi.h. But the #defines for MPI_UB/LB
still remained. This commit also #if's out the MPI_UB/LB macros when
--enable-mpi1-compatibility is specified.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>