fixed new tense structure in next-resourc/demo

lib/next-resource/demo/DemoFre.gf

@@ -0,0 +1,16 @@
+--# -path=.:alltenses
+
+concrete DemoFre of Demo = 
+  NounFre,
+  ClauseFre,
+  AdjectiveFre,
+  AdverbFre,
+  NumeralFre,
+  QuestionFre,
+  StructuralFre,
+  LexiconFre
+  ** {
+
+flags language = fr; unlexer = text ; lexer = text ;
+
+} ;