staging: dgnc: remove redundant check
staging: dgnc: remove redundant check

count doesn't get changed in between identical checks in
dgnc_tty_write() so remove the second check

Signed-off-by: Giedrius Statkevičius <f1628506d066beb6229c6ca0fc8c69f80553b7c6@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

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