tools: Fix use of EXCEPTS when spawning a process.
* tools/gpgtar-create.c (gpgtar_create) [HAVE_W32_SYSTEM]: Use HANDLE. * tools/gpgtar-extract.c (gpgtar_extract) [HAVE_W32_SYSTEM]: Likewise. * tools/gpgtar-list.c (gpgtar_list) [HAVE_W32_SYSTEM]: Likewise.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>