K 10
svn:author
V 6
grehan
K 8
svn:date
V 27
2017-01-08T20:29:35.807088Z
K 7
svn:log
V 323
Make sure the 'Always-one' bit is always set to one,
in the first byte of the 3-byte mouse data report.
Plan9/9front requires this.

Switch over to using #defines for the data report bits.

Verified no regression on Win10/Fedora-live.

Reported and tested by: Trent Thompson (trentnthompson at gmail com)
MFC after:	1 week

END