Fix bug 3625: test issues on 64bit windows. r=pitrou
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 5e4f0cc..ec4a2db 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -8,7 +8,7 @@
 
 import sys
 ISBIGENDIAN = sys.byteorder == "big"
-IS32BIT = sys.maxint == 0x7fffffff
+IS32BIT = sys.maxsize == 0x7fffffff
 del sys
 
 try: