https://bugs.gentoo.org/923247
https://gitlab.com/inkscape/inkscape/-/merge_requests/6089

From 694d8ae43d06efff21adebf377ce614d660b24cd Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 17 Nov 2023 22:30:42 +0100
Subject: [PATCH] include missing header file
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This fixes build error:
```
/build/inkscape/src/inkscape/src/object/uri.cpp: In constructor ‘Inkscape::URI::URI(const gchar*, const char*)’:
/build/inkscape/src/inkscape/src/object/uri.cpp:86:9: error: ‘xmlFree’ was not declared in this scope; did you mean ‘xmlFreeURI’?
   86 |         xmlFree(full);
```
--- a/src/object/uri.h
+++ b/src/object/uri.h
@@ -13,6 +13,7 @@
 #define INKSCAPE_URI_H
 
 #include <libxml/uri.h>
+#include <libxml/xmlmemory.h>
 #include <memory>
 #include <string>
 
-- 
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