Fixing warnings in oshmem/mca/scoll/mpi.

Refs trac:4302

This commit was SVN r30824.

The following Trac tickets were found above:
  Ticket 4302 --> https://svn.open-mpi.org/trac/ompi/ticket/4302

oshmem/mca/scoll/mpi/scoll_mpi_dtypes.h

@@ -40,21 +40,21 @@ static struct ompi_op_t* shmem_op_to_ompi_op(int op)
 {
     switch (op) {
     case OSHMEM_OP_AND:
-        return &ompi_mpi_op_band;
+        return &(ompi_mpi_op_band.op);
     case OSHMEM_OP_OR:
-        return &ompi_mpi_op_bor;
+        return &(ompi_mpi_op_bor.op);
     case OSHMEM_OP_XOR:
-        return &ompi_mpi_op_bxor;
+        return &(ompi_mpi_op_bxor.op);
     case OSHMEM_OP_MAX:
-        return &ompi_mpi_op_max;
+        return &(ompi_mpi_op_max.op);
     case OSHMEM_OP_MIN:
-        return &ompi_mpi_op_min;
+        return &(ompi_mpi_op_min.op);
     case OSHMEM_OP_SUM:
-        return &ompi_mpi_op_sum;
+        return &(ompi_mpi_op_sum.op);
     case OSHMEM_OP_PROD:
-        return &ompi_mpi_op_prod;
+        return &(ompi_mpi_op_prod.op);
     default:
-        return &ompi_mpi_op_null;
+        return &(ompi_mpi_op_null.op);
     }
 }
 

oshmem/mca/scoll/mpi/scoll_mpi_module.c

@@ -32,7 +32,6 @@ static void mca_scoll_mpi_module_construct(mca_scoll_mpi_module_t *mpi_module)
 
 static void mca_scoll_mpi_module_destruct(mca_scoll_mpi_module_t *mpi_module)
 {
-    mca_scoll_mpi_module_t *module;
 
     OBJ_RELEASE(mpi_module->previous_barrier_module);
     OBJ_RELEASE(mpi_module->previous_broadcast_module);
@@ -72,7 +71,6 @@ static int mca_scoll_mpi_save_coll_handlers(mca_scoll_base_module_t *module, osh
 static int mca_scoll_mpi_module_enable(mca_scoll_base_module_t *module,
                                         oshmem_group_t *osh_group)
 {
-    int ret;
 
     if (OSHMEM_SUCCESS != mca_scoll_mpi_save_coll_handlers(module, osh_group)){
         MPI_COLL_ERROR("scoll_mpi: mca_coll_mpi_save_coll_handlers failed");

oshmem/mca/scoll/mpi/scoll_mpi_ops.c

@@ -135,7 +135,6 @@ int mca_scoll_mpi_reduce(struct oshmem_group_t *group,
     struct ompi_datatype_t* dtype;
     struct ompi_op_t *h_op;
     int rc;
-    int dtsize;
     size_t count;
     MPI_COLL_VERBOSE(20,"RUNNING MPI REDUCE");
     void *sbuf, *rbuf;