Thanks to gcc's -Wunused-but-set-variable, stop ignoring the percent
parameter, and add it to the XKeyboardControl structure before the
XChangeKeyboardControl call.
This warning goes away accordingly:
| CC xbell-xbell.o
| xbell.c: In function ‘main’:
| xbell.c:74:22: warning: variable ‘percent’ set but not used [-Wunused-but-set-variable]
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Cyril Brulebois <kibi@debian.org>