fallback was only copying the first child not the full child list of the

* xinclude.c: fallback was only copying the first child not the
  full child list of the fallback element, closes #89684 as reopened
  by Bernd Kuemmerlen
Daniel
diff --git a/xinclude.c b/xinclude.c
index 78ee042..377f856 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -1241,7 +1241,7 @@
     if ((fallback == NULL) || (ctxt == NULL))
 	return(-1);
 
-    ctxt->incTab[nr]->inc = xmlCopyNode(fallback->children, 1);
+    ctxt->incTab[nr]->inc = xmlCopyNodeList(fallback->children);
     return(0);
 }