contrib/wix/help.wxs

py3: use pycompat.ossep at certain places

Certain instances of os.sep has been converted to pycompat.ossep where it was
sure to use bytes only. There are more such instances which needs some more
attention and will get surely.

<?xml version="1.0" encoding="utf-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">

  <?include guids.wxi ?>
  <?include defines.wxi ?>

  <Fragment>
    <ComponentGroup Id='helpFolder'>
      <ComponentRef Id='help.root' />
      <ComponentRef Id='help.internals' />
    </ComponentGroup>
  </Fragment>

  <Fragment>
    <DirectoryRef Id="INSTALLDIR">
      <Directory Id="helpdir" Name="help" FileSource="$(var.SourceDir)">
        <Component Id="help.root" Guid="$(var.help.root.guid)" Win64='$(var.IsX64)'>
          <File Name="config.txt" KeyPath="yes" />
          <File Name="dates.txt" />
          <File Name="diffs.txt" />
          <File Name="environment.txt" />
          <File Name="extensions.txt" />
          <File Name="filesets.txt" />
          <File Name="glossary.txt" />
          <File Name="hgignore.txt" />
          <File Name="hgweb.txt" />
          <File Name="merge-tools.txt" />
          <File Name="multirevs.txt" />
          <File Name="patterns.txt" />
          <File Name="phases.txt" />
          <File Name="revisions.txt" />
          <File Name="revsets.txt" />
          <File Name="scripting.txt" />
          <File Name="subrepos.txt" />
          <File Name="templates.txt" />
          <File Name="urls.txt" />
        </Component>

        <Directory Id="help.internaldir" Name="internals">
          <Component Id="help.internals" Guid="$(var.help.internals.guid)" Win64='$(var.IsX64)'>
            <File Id="internals.bundles.txt"      Name="bundles.txt" KeyPath="yes" />
            <File Id="internals.changegroups.txt" Name="changegroups.txt" />
            <File Id="internals.requirements.txt" Name="requirements.txt" />
            <File Id="internals.revlogs.txt"      Name="revlogs.txt" />
            <File Id="internals.wireprotocol.txt" Name="wireprotocol.txt" />
          </Component>
        </Directory>

      </Directory>
    </DirectoryRef>
  </Fragment>

</Wix>