make FIXME more prominent

src/core/dependencies/cg.c

@@ -109,7 +109,7 @@ void _starpu_notify_cg(starpu_cg_t *cg)
 	
 				tag_successors->ndeps_completed++;
 
-				/* FIXME: who locks this? */
+#warning FIXME: who locks this?
 				if ((tag->state == STARPU_BLOCKED) &&
 					(tag_successors->ndeps == tag_successors->ndeps_completed)) {
 					/* reset the counter so that we can reuse the completion group */