win32mbcs: util.normpath should be wrapped.

It is because util.normpath() finally calls windows.pconvert()
which is not wrapped (by changeset:25c41ddb3978).

hgext/win32mbcs.py

@@ -123,7 +123,7 b' def wrapname(name, wrapper):'
 funcs = '''os.path.join os.path.split os.path.splitext
  os.path.splitunc os.path.normpath os.path.normcase os.makedirs
  mercurial.util.endswithsep mercurial.util.splitpath mercurial.util.checkcase
- mercurial.util.fspath mercurial.util.pconvert'''
+ mercurial.util.fspath mercurial.util.pconvert mercurial.util.normpath'''
 
 # codec and alias names of sjis and big5 to be faked.
 problematic_encodings = '''big5 big5-tw csbig5 big5hkscs big5-hkscs