ALSA: Fix DocBook headers

<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.1//EN">

<book>

<?dbhtml filename="index.html">

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"

	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>

<!-- ****************************************************** -->

<!-- Header  -->

<!-- ****************************************************** -->

<book id="ALSA-Driver-API">

  <bookinfo>

    <title>The ALSA Driver API</title>

  </bookinfo>

<toc></toc>

  <chapter><title>Management of Cards and Devices</title>

     <sect1><title>Card Management</title>

!Esound/core/init.c

<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.1//EN">

<book>

<?dbhtml filename="index.html">

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"

	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>

<!-- ****************************************************** -->

<!-- Header  -->

<!-- ****************************************************** -->

<book id="Writing-an-ALSA-Driver">

  <bookinfo>

    <title>Writing an ALSA Driver</title>

    <author>