Really should check our own node for oversubscription, not the HNP

cmr=v1.8.2:reviewer=jsquyres

This commit was SVN r31946.

orte/mca/odls/base/odls_base_default_fns.c

@@ -1006,7 +1006,7 @@ void orte_odls_base_default_launch_local(int fd, short sd, void *cbdata)
     
     /* see if the mapper thinks we are oversubscribed */
     oversubscribed = false;
-    if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, 0))) {
+    if (NULL == (node = (orte_node_t*)opal_pointer_array_get_item(orte_node_pool, ORTE_PROC_MY_NAME->vpid))) {
         ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
         ORTE_ACTIVATE_JOB_STATE(jobdat, ORTE_JOB_STATE_FAILED_TO_LAUNCH);
         goto ERROR_OUT;