diff -up bash-4.2/variables.h.size_type bash-4.2/variables.h

--- bash-4.2/variables.h.size_type	2012-11-29 10:33:25.109036844 +0100

+++ bash-4.2/variables.h	2012-11-29 10:46:12.718530162 +0100

@@ -95,8 +95,8 @@ typedef struct variable {

 typedef struct _vlist {

   SHELL_VAR **list;

-  int list_size;	/* allocated size */

-  int list_len;		/* current number of entries */

+  size_t list_size;	/* allocated size */

+  size_t list_len;	/* current number of entries */

 } VARLIST;

 /* The various attributes that a given variable can have. */