openssl(1) asn1parse: avoid crash with ASN.1 BOOLEANS

openssl(1) asn1parse: avoid crash with ASN.1 BOOLEANS

When pointing openssl asn1parse -strparse at DER octets 01 01, it crashes:

$ printf '<\x01\x01>' | openssl asn1parse -inform der -strparse 1

Refuse to parse BOOLEAN types instead, which avoids a crash in hensonian
/* hmm... this is a little evil, but it works */ code.

Found while poking at CMS timestamps to understand one of job's diffs.

with/ok jsing