staging: speakup: speakup_dectlk.c - use time_before_eq()

- this replaces jiffies comparision with safer function using
  time_after_eq()
Signed-off-by: Anil Belur <askb23@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/speakup/speakup_dectlk.c

@@ -267,7 +267,7 @@ static void do_catch_up(struct spk_synth *synth)
 		else if (ch <= SPACE) {
 			if (!in_escape && strchr(",.!?;:", last))
 				spk_serial_out(PROCSPEECH);
-			if (jiffies >= jiff_max) {
+			if (time_after_eq(jiffies, jiff_max)) {
 				if (!in_escape)
 					spk_serial_out(PROCSPEECH);
 				spin_lock_irqsave(&speakup_info.spinlock,