feature-2: allocating cells with count = 1; 7 unit tests (all bignums) fail.

src/arith/peano.h

@@ -7,11 +7,12 @@
  * Licensed under GPL version 2.0, or, at your option, any later version.
  */
 
-#include "consspaceobject.h"
 
 #ifndef PEANO_H
 #define PEANO_H
 
+#include "memory/consspaceobject.h"
+
 /**
  * The maximum value we will allow in an integer cell: one less than 2^60:
  * (let ((s (make-string-output-stream)))