* fix compile error in XGrid PLS that got introduced sometime in the not

too distant past
* work around apparently broken handling of max_slots somewhere along
  the line by just setting it to 0

Both changes should go to the trunk.

This commit was SVN r7710.

orte/mca/pls/xgrid/src/pls_xgrid_client.m

@@ -251,7 +251,7 @@ mca_pls_xgrid_set_node_name(orte_ras_node_t* node,
     /* query the list of nodes allocated to the job */
     OBJ_CONSTRUCT(&nodes, opal_list_t);
     OBJ_CONSTRUCT(&mapping_list, opal_list_t);
-    rc = orte_rmaps_base_mapped_node_query(&mapping_list, &nodes, jobid);
+    ret = orte_rmaps_base_mapped_node_query(&mapping_list, &nodes, jobid);
     if (ORTE_SUCCESS != ret) goto cleanup;
 
     /* allocate vpids for the daemons */

orte/mca/ras/xgrid/src/ras_xgrid_module.c

@@ -149,7 +149,7 @@ static int discover(orte_jobid_t jobid, opal_list_t* nodelist)
         node->node_state = ORTE_NODE_STATE_UP;
         node->node_cellid = 0;
         node->node_slots_inuse = 0;
-        node->node_slots_max = 1;
+        node->node_slots_max = 0;
         node->node_slots = 1;
         opal_list_append(&new_nodes, &node->super);
     }