Allow xgrid to compile.

This commit was SVN r19076.

orte/mca/plm/xgrid/src/plm_xgrid_module.m

@@ -111,7 +111,6 @@ orte_plm_xgrid_make_nodes(orte_job_t *jdata)
         node->slots_inuse = 0;
         node->slots_max = 0;
         node->slots = 1;
-	node->allocate = true;
         if (ORTE_SUCCESS != (rc = orte_pointer_array_add(&node->index, 
                                                          orte_node_pool, 
                                                          (void*)node))) {