Use size_t rather than unsigned int in previous patch.

src/lalr.h

@@ -56,7 +56,7 @@ void lalr_free (void);
    together and GOTO_MAP[I - NTOKENS] is the index in FROM_STATE and
    TO_STATE of the first of them.  */
 
-typedef unsigned int goto_number;
+typedef size_t goto_number;
 
 extern goto_number *goto_map;
 extern state_number *from_state;

src/relation.h

@@ -29,7 +29,7 @@
 
 #define END_NODE ((relation_node) -1)
 
-typedef unsigned int relation_node;
+typedef size_t relation_node;
 typedef relation_node *relation_nodes;
 typedef relation_nodes *relation;