Fix bootstrap problem

library/compiler/inference/shuffle.factor

@@ -1,7 +1,7 @@
 ! Copyright (C) 2005, 2006 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 IN: inference
-USING: hashtables kernel math namespaces sequences ;
+USING: hashtables kernel math namespaces sequences words ;
 
 SYMBOL: recursive-state
 

library/compiler/inference/stack.factor

@@ -1,6 +1,6 @@
 IN: inference
 USING: arrays generic kernel math namespaces
-sequences words parser ;
+sequences words parser words ;
 
 : infer-shuffle-inputs ( shuffle node -- )
     >r effect-in length 0 r> node-inputs ;

library/ui/tools/dataflow.factor

@@ -104,7 +104,7 @@ M: #push node>gadget
 
 : default-node-content ( node -- gadget )
     dup node-children <child-nodes>
-    swap class word-name <mono-label> add* make-pile
+    swap class word-name <label> add* make-pile
     { 5 5 } over set-pack-gap ;
 
 M: object node>gadget
@@ -119,6 +119,8 @@ M: full-height-node node>gadget
 ! stack heights
 SYMBOL: d-height
 
+DEFER: (compute-heights)
+
 : compute-child-heights ( node -- )
     node-children dup empty? [
         drop