K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2014-06-22T20:13:57.658972Z
K 7
svn:log
V 255
getopt(3): recognize option:: as GNU extension for "optional options".

Also ANSIfy a function declaration.

While here update the OpenBSD patch level in getopt_long.c as we
already have the corresponding change.

Obtained from:	NetBSD
MFC after:	2 weeks

END