Fix copy-n-paste error: the 2nd declarations of

PMPI_[Ir|R]educe_scatter should really have been for
PMPI_[Ir|R]educe_scatter_block.  

This commit was SVN r26663.

ompi/include/mpi.h.in

@@ -2008,8 +2008,10 @@ OMPI_DECLSPEC  int PMPI_Ireduce_scatter(void *sendbuf, void *recvbuf, int *recvc
                                         MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request *request);
 OMPI_DECLSPEC  int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
                                        MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
-OMPI_DECLSPEC  int PMPI_Ireduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
-                                        MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request *request);
+OMPI_DECLSPEC  int PMPI_Reduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
+                                             MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
+OMPI_DECLSPEC  int PMPI_Ireduce_scatter_block(void *sendbuf, void *recvbuf, int recvcount,
+                                              MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request *request);
 OMPI_DECLSPEC  int PMPI_Register_datarep(char *datarep,
                                          MPI_Datarep_conversion_function *read_conversion_fn,
                                          MPI_Datarep_conversion_function *write_conversion_fn,