Does not compile with latest libxml2 2.11.0+ due to deprecated symbols that have been removed

The following patch fixes the issue, by using the alternative function xmlReadMemory:

From 4dbc4c1da2a033c497d84a1291c46f416a9cac51 Mon Sep 17 00:00:00 2001
From: David Anes <david.anes@suse.com>
Date: Thu, 4 May 2023 11:54:02 +0200
Subject: use xmlReadMemory instead of xmlRecoverMemory, as it's been
 deprecated in libxml2 2.11.0

Since version 2.11.0, some private symbols have been removed.
---
Index: gupnp-av-0.14.1/libgupnp-av/gupnp-didl-lite-parser.c
===================================================================
--- gupnp-av-0.14.1.orig/libgupnp-av/gupnp-didl-lite-parser.c
+++ gupnp-av-0.14.1/libgupnp-av/gupnp-didl-lite-parser.c
@@ -230,7 +230,7 @@ gupnp_didl_lite_parser_parse_didl_recurs
         GUPnPAVXMLDoc *xml_doc = NULL;
         gboolean       result;
 
-        doc = xmlRecoverMemory (didl, strlen (didl));
+        doc = xmlReadMemory (didl, strlen (didl), NULL, NULL, XML_PARSE_RECOVER);
         if (doc == NULL) {
                 g_set_error (error,
                              G_MARKUP_ERROR,
Index: gupnp-av-0.14.1/libgupnp-av/gupnp-feature-list-parser.c
===================================================================
--- gupnp-av-0.14.1.orig/libgupnp-av/gupnp-feature-list-parser.c
+++ gupnp-av-0.14.1/libgupnp-av/gupnp-feature-list-parser.c
@@ -114,7 +114,7 @@ gupnp_feature_list_parser_parse_text
         xmlNode      *element;
         GList        *feature_list = NULL;
 
-        doc = xmlRecoverMemory (text, strlen (text));
+        doc = xmlReadMemory (text, strlen (text), NULL, NULL, XML_PARSE_RECOVER);
         if (doc == NULL) {
                 g_set_error (error,
                              G_MARKUP_ERROR,