Added language flags to bronzeage grammars.

examples/bronzeage/BronzeageNor.gf

@@ -1,5 +1,6 @@
 --# -path=.:present:prelude
 
 concrete BronzeageNor of Bronzeage = CatNor, SwadeshNor **  BronzeageI with
-  (Lang = LangNor) ;
-
+  (Lang = LangNor) ** {
+  flags language = nb_NO;
+}