MPI fix bug
MPI fix bug

* dec/mpi/mpi_caf.c (get, send): Only use contiguous code for character
  arrays when the strings have the same length.

jerryd/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays,sourceryinstitute/opencoarrays,zbeekman/opencoarrays,zbeekman/opencoarrays,jerryd/opencoarrays,jerryd/opencoarrays,sourceryinstitute/opencoarrays