pgAggregate problem any function

Hi Andreas.

There is a problem by handling of any of the input type.

This patch will just be able to do it.
any -> "any"

But,
Is it likely to be the problem of parser of postgresql?
"ANY" is written in the document.
But, drop isn't made though "ANY" can be registered.

This is with psql.
saito=# DROP AGGREGATE public.newcnt(any);
ERROR:  syntax error at or near "any" at character 30
saito=# DROP AGGREGATE public.newcnt(ANY);
ERROR:  syntax error at or near "ANY" at character 30
saito=# DROP AGGREGATE public.newcnt("ANY");
ERROR:  type "ANY" does not exist
saito=# DROP AGGREGATE public.newcnt("any");
DROP AGGREGATE

Any Comment?

Regards,
Hiroshi Saito