[PATCH] forget: use forward slashes for internal paths

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <mads at kiilerich.com>
# Date 1321321495 -3600
# Node ID 5824f6a9565a05e964e872b26a8f7371682a5865
# Parent  1bb0a5b02da9ef3505bfb4ac02b2d51cf220220f
forget: use forward slashes for internal paths

forget into a subrepo failed on windows because pathes were joined with \.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -2446,7 +2446,7 @@
             submatch = matchmod.narrowmatcher(subpath, m)
             for fsub in sub.walk(submatch):
                 if submatch.exact(fsub):
-                    subforget[os.path.join(subpath, fsub)] = (fsub, sub)
+                    subforget[subpath + '/' + fsub] = (fsub, sub)
         except error.LookupError:
             ui.status(_("skipping missing subrepository: %s\n") % subpath)