gpgconf: Fix validity check for UINT32 values.
* tools/gpgconf-comp.c (option_check_validity): Enable check for UINT32.
This is actually a bug which inhibited the checking of values of type
UINT32.
- Reported-by: Günther Noack <gnoack@google.com>
- Signed-off-by: Werner Koch <wk@gnupg.org>