Fix one of the tests that fails on the "x86 OpenBSD trunk" buildbot, due
to that id() may return a long on a 32-bit box now.  On a box that assigns
addresses "with the sign bit set", id() always returns a long now.
diff --git a/Lib/test/test_genexps.py b/Lib/test/test_genexps.py
index 1556604..e414757 100644
--- a/Lib/test/test_genexps.py
+++ b/Lib/test/test_genexps.py
@@ -129,7 +129,7 @@
 Verify re-use of tuples (a side benefit of using genexps over listcomps)
 
     >>> tupleids = map(id, ((i,i) for i in xrange(10)))
-    >>> max(tupleids) - min(tupleids)
+    >>> int(max(tupleids) - min(tupleids))
     0
 
 Verify that syntax error's are raised for genexps used as lvalues