Use util.normpath() instead of direct path string operation.

This change is intended to allow hooking normpath() by win32mbcs
extension for MBCS support.

hgext/convert/subversion.py

@@ -53,7 +53,7 b' def geturl(path):'
     if os.path.isdir(path):
         path = os.path.normpath(os.path.abspath(path))
         if os.name == 'nt':
-            path = '/' + path.replace('\\', '/')
+            path = '/' + util.normpath(path)
         return 'file://%s' % path
     return path
 
@@ -751,7 +751,7 b' class svn_sink(converter_sink, commandli'
                               os.path.basename(path))
                     commandline(ui, 'svnadmin').run0('create', path)
                     created = path
-                path = path.replace('\\', '/')
+                path = util.normpath(path)
                 if not path.startswith('/'):
                     path = '/' + path
                 path = 'file://' + path

mercurial/archival.py

@@ -15,7 +15,7 b' def tidyprefix(dest, prefix, suffixes):'
     safe for consumers.'''
 
     if prefix:
-        prefix = prefix.replace('\\', '/')
+        prefix = util.normpath(prefix)
     else:
         if not isinstance(dest, str):
             raise ValueError('dest must be string if no prefix')

mercurial/dirstate.py

@@ -87,7 +87,7 b' class dirstate(object):'
             cwd = self.getcwd()
         path = util.pathto(self._root, cwd, f)
         if self._slash:
-            return path.replace(os.sep, '/')
+            return util.normpath(path)
         return path
 
     def __getitem__(self, key):