Setting up the framework for structured error reporting, touches a lot of

* HTMLparser.c c14n.c catalog.c error.c globals.c parser.c
  parserInternals.c relaxng.c valid.c xinclude.c xmlIO.c xmlregexp.c
  xmlschemas.c xpath.c xpointer.c include/libxml/globals.h
  include/libxml/parser.h include/libxml/valid.h
  include/libxml/xmlerror.h: Setting up the framework for structured
  error reporting, touches a lot of modules, but little code now
  the error handling trail has been cleaned up.
Daniel
diff --git a/xinclude.c b/xinclude.c
index 04d827f..c992b58 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -112,7 +112,7 @@
 {
     if (ctxt != NULL)
 	ctxt->nbErrors++;
-    __xmlRaiseError(NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
                     XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0,
 		    extra, NULL, NULL, 0, 0,
 		    "Memory allocation failed : %s\n", extra);
@@ -133,7 +133,7 @@
 {
     if (ctxt != NULL)
 	ctxt->nbErrors++;
-    __xmlRaiseError(NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, node, XML_FROM_XINCLUDE,
                     error, XML_ERR_ERROR, NULL, 0,
 		    (const char *) extra, NULL, NULL, 0, 0,
 		    msg, (const char *) extra);