Fix assertion

Conflicts:
	src/vdp_pesi.c

src/vdp_pesi.c

@@ -611,7 +611,7 @@ pesi_buf_bytes(struct req *req, enum vdp_action act, void **priv,
 		Lck_Lock(&tree->tree_lock);
 		if (parent->state == ST_PRIVATE)
 			set_open(tree, parent, req->wrk);
-		assert(parent->state = ST_OPEN);
+		assert(parent->state == ST_OPEN);
 		tree_deliver(req, tree);
 		Lck_Unlock(&tree->tree_lock);
 	}