tests: Fix printf compiler warning for an error case.
tests: Fix printf compiler warning for an error case.

* tests/gpg/t-keylist.c (main): Cast DIM to int.

Signed-off-by: Werner Koch <13bd1fc5137f503b0a8355ad400e7a87ebb45b25@gnupg.org>

gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme