* protect lock when not building threaded

This commit was SVN r9254.

ompi/mca/btl/gm/btl_gm_component.c

@@ -221,8 +221,10 @@ mca_btl_gm_module_init (mca_btl_gm_module_t * btl)
     OBJ_CONSTRUCT(&btl->gm_pending, opal_list_t);
     OBJ_CONSTRUCT(&btl->gm_repost, opal_list_t);
     OBJ_CONSTRUCT(&btl->gm_mru_reg, opal_list_t);
+#if OMPI_ENABLE_PROGRESS_THREADS
     OBJ_CONSTRUCT(&btl->gm_thread, opal_thread_t);
-                                                                                                  
+#endif
+
     /* query nic tokens */
     btl->gm_num_send_tokens = gm_num_send_tokens (btl->port);
     btl->gm_max_send_tokens = btl->gm_num_send_tokens;