gpgconf: Fix argv overflow if --homedir is used.
* tools/gpgconf-comp.c (gc_component_launch): Fix crash due to too small array.
Depending on the stack layout this could have led to zeroing out the
PID variable if --homedir was used and thus under Windows to a leaked
handle. However, gpgconf is a short running process and thus no
- GnuPG-bug-id: T5366
- Co-authored-by: firstname.lastname@example.org
- Signed-off-by: Werner Koch <email@example.com>