tests: More fix for semihosted environment.
* common/all-tests.scm: Conditionalize by *win32*. * tests/cms/Makefile.am (GPGSM): Add missing GPGSM. * tests/pkits/Makefile.am (TESTS_ENVIRONMENT): Add EXEEXT.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>