K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2017-10-13T13:47:55.588205Z
K 7
svn:log
V 206
truss: mention 'H' in usage

r295930 introduced the 'H' option to display thread IDs, but did not add
the option to usage().

PR:		222837
Submitted by:	Oliver Kiddle <okiddle@yahoo.co.uk>
MFC after:	1 week

END