Avoid a double-free in crl2pl7
Avoid a double-free in crl2pl7

The variable |crtflst| could get double freed in an error path.

Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl