fixed problem regarding freeing of dictionary when there are errors within

* xinclude.c: fixed problem regarding freeing of dictionary
  when there are errors within an XInclude file (bug 133106).
  Thanks to Oleg Paraschenko for the assistance.
diff --git a/xinclude.c b/xinclude.c
index 56f7350..607a8f8 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -458,6 +458,9 @@
 	    if ((ctxt->doc != NULL) && (ctxt->doc->dict != NULL) &&
 	        (pctxt->myDoc->dict == ctxt->doc->dict))
 		xmlDictReference(ctxt->doc->dict);
+	    else if ((pctxt->dict != NULL) &&
+	             (pctxt->dict == pctxt->myDoc->dict))
+		xmlDictReference(pctxt->dict);
 	    xmlFreeDoc(pctxt->myDoc);
 	}
         pctxt->myDoc = NULL;