Fix the missing segment name correctly.

As an FYI: the pack/unpack routines should be happy with a NULL string (and appear to be so). Issue here was that the constructor was not called, which means that the string pointer was not initialized to NULL as it ordinarily would have been.

This commit was SVN r5639.

src/mca/schema/base/schema_base_fns.c

@@ -172,6 +172,7 @@ int orte_schema_base_store_my_info(void)
     orte_gpr_keyval_t nodename = { {OBJ_CLASS(ompi_object_t),0}, ORTE_NODE_NAME_KEY, ORTE_STRING };
     orte_gpr_keyval_t* keyvals[2];
     size_t i;
+    orte_jobid_t jobid;
 
     /* NOTE: cannot destruct the value object since the keyval's are statically
      * defined, so don't construct it either
@@ -187,13 +188,23 @@ int orte_schema_base_store_my_info(void)
         return rc;
     }
                                 
+    if (ORTE_SUCCESS != (rc = orte_ns.get_jobid(&jobid, orte_process_info.my_name))) {
+        ORTE_ERROR_LOG(rc);
+        return rc;
+    }
+
+    if (ORTE_SUCCESS != (rc = orte_schema_base_get_job_segment_name(&value.segment, jobid))) {
+        ORTE_ERROR_LOG(rc);
+        return rc;
+    }
+
     value.keyvals = keyvals;
     value.cnt = 2;
     values = &value;
                                                                                                            
     local_pid.value.pid = orte_process_info.pid;
     nodename.value.strptr = strdup(orte_system_info.nodename);
-    value.segment = "";
+
     /* insert values into registry */
     if (ORTE_SUCCESS != (rc = orte_gpr.put(1, &values))) {
         ORTE_ERROR_LOG(rc);