Added language flags to bronzeage grammars.

examples/bronzeage/BronzeageSpa.gf

@@ -1,5 +1,7 @@
 --# -path=.:present:prelude
 
 concrete BronzeageSpa of Bronzeage = CatSpa, SwadeshSpa **  BronzeageI with
-  (Lang = LangSpa) ;
+  (Lang = LangSpa) ** {
+  flags language = es_ES;
+}