fix a couple of double-lock issues in the iof code that have crept in recently.

This should go to the v1.0 branch.

This commit was SVN r8171.

orte/mca/iof/base/iof_base_endpoint.c

@@ -129,6 +129,7 @@ static void orte_iof_base_endpoint_read_handler(int fd, short flags, void *cbdat
 
         /* peer has closed the connection */
         orte_iof_base_endpoint_closed(endpoint);
+        OPAL_THREAD_UNLOCK(&orte_iof_base.iof_lock);
         rc = 0;
         return;
     }

orte/mca/iof/svc/iof_svc_sub.c

@@ -99,8 +99,9 @@ int orte_iof_svc_sub_create(
     sub->dst_mask = dst_mask;
     sub->dst_tag = dst_tag;
     sub->sub_endpoint = orte_iof_base_endpoint_match(&sub->dst_name, sub->dst_mask, sub->dst_tag);
+#if 0
     OPAL_THREAD_LOCK(&mca_iof_svc_component.svc_lock);
-
+#endif
     /* search through published endpoints for a match */
     for(item  = opal_list_get_first(&mca_iof_svc_component.svc_published);
         item != opal_list_get_end(&mca_iof_svc_component.svc_published);