staging: speakup: Add __printf format/arg verification, fix fallout

Using __printf allows the compiler to verify formats and arguments.
Use it and fix the single misuse found.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joe Perches 2017-03-04 08:13:11 -08:00 • committed by Greg Kroah-Hartman
commit ae8784fcdc
2 changed files with 2 additions and 1 deletions