ASoC: jack: remove unused variable in snd_soc_jack_report()

The variable oldstatus is initialized but never used
otherwise, so remove the unused variable.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/soc-jack.c

@@ -66,7 +66,6 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
 	struct snd_soc_dapm_context *dapm;
 	struct snd_soc_jack_pin *pin;
 	int enable;
-	int oldstatus;
 
 	trace_snd_soc_jack_report(jack, mask, status);
 
@@ -78,8 +77,6 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
 
 	mutex_lock(&jack->mutex);
 
-	oldstatus = jack->status;
-
 	jack->status &= ~mask;
 	jack->status |= status & mask;