ALSA: asoc: n810 - fix build error.

This patch adds a missing " that was recently introduced (removed)
in the DAI struct merge patch series.
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/soc/omap/n810.c

@@ -63,7 +63,7 @@ static void n810_ext_control(struct snd_soc_codec *codec)
 	if (n810_dmic_func)
 		snd_soc_dapm_enable_pin(codec, "DMic");
 	else
-		snd_soc_dapm_disable_pin(codec, "DMic);
+		snd_soc_dapm_disable_pin(codec, "DMic");
 
 	snd_soc_dapm_sync(codec);
 }