* sm/minip12.c: Reworked most of the parser.
(p12_set_verbosity): Add arg debug and change all callers.
* sm/t-minip12.c: New.
* sm/Makefile.am (module_maint): Add it.
* tests/samplekeys/Description-p12: New.
* tests/samplekeys/t5793-openssl.pfx: New from T5793.
* tests/samplekeys/t5793-test.pfx: Ditto.
* tests/samplekeys/Description-p12: Add them.
* tests/Makefile.am (EXTRA_DIST): Add samplekeys.