Fix warning for old libxml2

jeroen · jeroen · commit 808feb78cb8b · 2025-02-27T16:24:38.000+01:00
diff --git a/src/xml2_init.c b/src/xml2_init.c
@@ -1,7 +1,7 @@
 #include <Rinternals.h>
 #include <libxml/xmlversion.h>
 #include <libxml/xmlerror.h>
-
+#include <libxml/parser.h>
 
 /* * *
  * Author: Nick Wellnhofer <wellnhofer@aevum.de>
