ASN1: asn1map(): fix handling of optional CHOICE and ANY children in SEQUENCE.
ASN1: asn1map(): fix handling of optional CHOICE and ANY children in SEQUENCE.

phpseclib/phpseclib-php5,creatuity/phpseclib,thaigialai1987/phpseclib,kenichiii/phpseclib,danog/phpseclib,metaclassing/phpseclib,danog/phpseclib,phpseclib/phpseclib-php5,melya/phpseclib,melya/phpseclib,kenichiii/phpseclib,creatuity/phpseclib,splitice/phpseclib,ericariyanto/phpseclib,ericariyanto/phpseclib,phpseclib/phpseclib,thaigialai1987/phpseclib,terrafrost/phpseclib,splitice/phpseclib,paragonie-scott/phpseclib,metaclassing/phpseclib,paragonie-scott/phpseclib