tests,w32: Use GetTempPath to get the path for temporary files.
* tests/gpgscm/ffi.c (do_get_temp_path): New function. (ffi_init): Make function available. * tests/gpgscm/tests.scm (mkdtemp): Use the new function.
- Fixes-commit: 06f1f163e96f1039304fd3cf565cf9de1ca45849
- Signed-off-by: Justus Winter <justus@g10code.com>