gpgscm: Fix memory leaks.
* tests/gpgscm/ffi-private.h (ffi_schemify_name): Fix prototype. (ffi_define_function_name): Free schemified name. (ffi_define_function): Likewise. (ffi_define_constant): Likewise. (ffi_define_variable_pointer): Likewise. * tests/gpgscm/ffi.c (do_wait_processes): Free arrays. (ffi_schemify_name): Fix type. * tests/gpgscm/main.c (main): Free 'sc'.
- Signed-off-by: Justus Winter <justus@g10code.com>