Fix compilation with minimum and xinclude.

xinclude needs xmlAddNextSibling().
Compile out use of xmlLocationSetPtr when xptr is disabled.
Include xpath header.

1 files changed, 1 insertions, 1 deletions

diff --git a/tree.c b/tree.c
index bcf9f4b3..1b3876f4 100644
--- a/tree.c
+++ b/tree.c
@@ -3039,7 +3039,7 @@ xmlAddNextSibling(xmlNodePtr cur, xmlNodePtr elem) {
 }
 
 #if defined(LIBXML_TREE_ENABLED) || defined(LIBXML_HTML_ENABLED) || \
-    defined(LIBXML_SCHEMAS_ENABLED)
+    defined(LIBXML_SCHEMAS_ENABLED) || defined(LIBXML_XINCLUDE_ENABLED)
 /**
  * xmlAddPrevSibling:
  * @cur:  the child node