installed pinentry not found by gpg-agent/gpg2

[snowcrash+gnupg-users]

hi,

> Does pinentry-qt work at all? Try to start pinentry-qt from the command
> line, and if it starts type the following lines on the prompt:
>
> SETDESC This is a test
> GETPIN

here's what i see,

% pinentry-qt
    OK Your orders please
SETDESC This is a test
GETPIN
    OK