[PATCH 03 of 19] diff: always use / in paths in diff

[Mads Kiilerich]

# HG changeset patch
# User Mads Kiilerich <mads at kiilerich.com>
# Date 1320630540 -3600
# Node ID 7b05d0387a7ecfd67424fe1a7f183ddf435bf973
# Parent  cb8d4e1d4a2a2a874215d5b8cd144d171230e1e8
diff: always use / in paths in diff

Subrepo diffs would sometimes use backslash on windows.

diff --git a/mercurial/mdiff.py b/mercurial/mdiff.py
--- a/mercurial/mdiff.py
+++ b/mercurial/mdiff.py
@@ -100,6 +100,9 @@
         return ""
     epoch = util.datestr((0, 0))
 
+    fn1 = util.pconvert(fn1)
+    fn2 = util.pconvert(fn2)
+
     if not opts.text and (util.binary(a) or util.binary(b)):
         if a and b and len(a) == len(b) and a == b:
             return ""