--- a/mercurial/dirstate.py	Tue Jan 02 21:40:20 2007 -0800
+++ b/mercurial/dirstate.py	Tue Feb 13 10:25:45 2007 -0200
@@ -389,7 +389,7 @@
 
         # self.root may end with a path separator when self.root == '/'
         common_prefix_len = len(self.root)
-        if not self.root.endswith('/'):
+        if not self.root.endswith(os.sep):
             common_prefix_len += 1
         # recursion free walker, faster than os.walk.
         def findfiles(s):