staging: comedi: me4000: don't clobber command flags
staging: comedi: me4000: don't clobber command flags

The low-level Comedi drivers shouldn't change the `flags` member of
`struct comedi_cmd` as the Comedi core also uses some of those flags.
They should just ignore the flags they don't understand.

Signed-off-by: Ian Abbott <9e6ba6483b6a3e14d61f7c987e72ecb5b46122d6@mev.co.uk>
Reviewed-by: H Hartley Sweeten <382ff55d8e07d1082d179e669636cd1552da4f36@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs