Minor cleanups required for orte-dvm operation

orte/mca/iof/base/iof_base_frame.c

@@ -117,7 +117,7 @@ static void orte_iof_base_sink_destruct(orte_iof_sink_t* ptr)
                          "%s iof: closing sink for process %s",
                          ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
                          ORTE_NAME_PRINT(&ptr->name)));
-    if (NULL != ptr->wev) {
+    if (NULL != ptr->wev && 0 <= ptr->wev->fd) {
         OBJ_RELEASE(ptr->wev);
     }
 }

orte/tools/orte-submit/orte-submit.c

@@ -97,7 +97,7 @@ int main(int argc, char *argv[])
     orte_submit_status_t launchst, completest;
     opal_cmd_line_t cmd_line;
 
-    orte_cmd_line.terminate_dvm = NULL;
+    memset(&orte_cmd_line, 0, sizeof(orte_cmd_line));
     /* setup our cmd line */
     opal_cmd_line_create(&cmd_line, cmd_line_init);
     mca_base_cmd_line_setup(&cmd_line);