Add missing change

include/starpu_config.h.in

@@ -42,6 +42,7 @@
 #undef STARPU_SIMGRID_HAVE_XBT_BARRIER_INIT
 #undef STARPU_HAVE_SIMGRID_MSG_H
 #undef STARPU_HAVE_XBT_SYNCHRO_H
+#undef STARPU_NON_BLOCKING_DRIVERS
 
 #undef STARPU_HAVE_ICC