
Function for port validation doesn't validate "0" as a proper port number, althought IANA RFC 6335 [1] describes as valid 0-65535. Add missing "0" to function. [1] https://tools.ietf.org/html/rfc6335#section-8.1.2 Change-Id: I088add52cf454e5df503ecb5d6551724fb5ddaf4 Closes-Bug: #1590485