Fix apache for libxml-2.12.x

server/major/apache.xml

@@ -136,6 +136,9 @@ sed -e '/HTTPD_ROOT/s:${ap_prefix}:/etc/httpd:'       \
     -e '/AP_TYPES_CONFIG_FILE/s:${rel_sysconfdir}/::' \
     -i configure  &&
 
+sed -e '/encoding.h/a # include <libxml/xmlstring.h>' \
+    -i modules/filters/mod_xml2enc.c  &&
+
 ./configure --enable-authnz-fcgi                              \
             --enable-layout=BLFS                              \
             --enable-mods-shared="all cgi"                    \
@@ -185,6 +188,15 @@ chown -v -R apache:apache /srv/www</userinput></screen>
       modules, when instructed to do so.
     </para>
 
+    <para>
+      <command>sed -e '/HTTPD_ROOT/s ...</command>: Fixes some paths.
+    </para>
+
+    <para>
+      <command>sed -e '/encoding.h/a ...</command>; Fix building against
+      libxml-2.12.x.
+    </para>
+
     <para>
       <parameter>--enable-authnz-fcgi</parameter>: Build FastCGI
       authorizer-based authentication and authorization (mod_authnz_fcgi.so