Fix a typo RELEASE_OTHER_REASON 4 -> RELEASE_OTHER_REASON 3
RFC 3057 3.3.1.2
RELEASE_OTHER  0x3     Other reasons

Change-Id: I5c2344600646cbfbef379aed5d3ffa9fc48da639
Reviewed-on: https://code.wireshark.org/review/3829
Reviewed-by: Anders Broman <a.broman58@gmail.com>