--- zlibmodule.c.orig	2007-11-02 11:09:11.166754000 +0100
+++ zlibmodule.c	2007-11-02 10:54:52.739318000 +0100
@@ -197,7 +197,8 @@
     PyObject *result_str;
     Byte *input;
     int length, err;
-    int wsize=DEF_WBITS, r_strlen=DEFAULTALLOC;
+    int wsize=DEF_WBITS;
+    Py_ssize_t r_strlen=DEFAULTALLOC;
     z_stream zst;
 
     if (!PyArg_ParseTuple(args, "s#|ii:decompress",
