[ALSA] Remove trailing white space from wm9712.c

This patch removes some trailing white space from the WM9712 ASoC codec
driver.

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/soc/codecs/wm9712.c

@@ -45,7 +45,7 @@ static int ac97_write(struct snd_soc_codec *codec,
 /* may need to expand this */
 static struct snd_soc_dai_mode ac97_modes[] = {
 	{
-		.pcmfmt = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE,	
+		.pcmfmt = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE,
 		.pcmrate = AC97_RATES,
 		.pcmdir = AC97_DIR,
 	},