Fix part of issue #418 (#419)
Fix part of issue #418 (#419)

The first problem in https://github.com/rbock/sqlpp11/issues/418

Match table name ```"public"."dk"``` to ```_literal[] = public.dk``` and ```struct PublicDK```
rbock/sqlpp11,rbock/sqlpp11,rbock/sqlpp11,rbock/sqlpp11