Missing initialization for the catalog module
diff --git a/parser.c b/parser.c
index 87d4794..d61c216 100644
--- a/parser.c
+++ b/parser.c
@@ -14724,6 +14724,9 @@
 #ifdef LIBXML_XPATH_ENABLED
 	xmlXPathInit();
 #endif
+#ifdef LIBXML_CATALOG_ENABLED
+        xmlInitializeCatalog();
+#endif
 	xmlParserInitialized = 1;
 #ifdef LIBXML_THREAD_ENABLED
     }