fixed a bug reported by Jeff Goff, the determinism was tested before

* xmlregexp.c xmlschemas.c: fixed a bug reported by Jeff Goff,
  the determinism was tested before eliminating the epsilon
  transitions :-(
Daniel
diff --git a/xmlschemas.c b/xmlschemas.c
index 99956d4..79e376d 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -3262,20 +3262,20 @@
     start = ctxt->state = xmlAutomataGetInitState(ctxt->am);
     xmlSchemaBuildAContentModel(elem->subtypes, ctxt, name);
     xmlAutomataSetFinalState(ctxt->am, ctxt->state);
+    elem->contModel = xmlAutomataCompile(ctxt->am);
     if (!xmlAutomataIsDeterminist(ctxt->am)) {
 	xmlGenericError(xmlGenericErrorContext,
 			"Content model of %s is not determinist:\n", name);
-	elem->contModel = xmlAutomataCompile(ctxt->am);
 	ctxt->err = XML_SCHEMAS_ERR_NOTDETERMINIST;
+	ctxt->state = NULL;
     } else {
-	elem->contModel = xmlAutomataCompile(ctxt->am);
 #ifdef DEBUG_CONTENT
 	xmlGenericError(xmlGenericErrorContext,
 			"Content model of %s:\n", name);
 	xmlRegexpPrint(stderr, elem->contModel);
 #endif
+	ctxt->state = NULL;
     }
-    ctxt->state = NULL;
     xmlFreeAutomata(ctxt->am);
     ctxt->am = NULL;
 }