core,w32: Fix popping up of console windows due to gpgconf.
core,w32: Fix popping up of console windows due to gpgconf.

* src/gpgme-w32spawn.c (my_spawn): Create w/o DETACHED_PROCESS.
--

The spawn helper is actually called with DETACHED_PROCESS and should
not need to do a DETACHED_PROCESS of its own.  Interestingly this
patch removes the popups.

See Andre's report
GnuPG-bug-id: 3515

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

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