ASoC: Amstrad Delta minor cleanups

Hi Mark,

Here is a patch that corrects small omissions I have found in my code.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/omap/ams-delta.c

@@ -40,7 +40,7 @@
 
 
 /* Board specific DAPM widgets */
- const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = {
+static const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = {
 	/* Handset */
 	SND_SOC_DAPM_MIC("Mouthpiece", NULL),
 	SND_SOC_DAPM_HP("Earpiece", NULL),
@@ -81,7 +81,7 @@ static const char *ams_delta_audio_mode[] =
 						(1 << AMS_DELTA_SPEAKER))
 #define AMS_DELTA_SPEAKERPHONE	(AMS_DELTA_HANDSFREE | (1 << AMS_DELTA_AGC))
 
-unsigned short ams_delta_audio_mode_pins[] = {
+static const unsigned short ams_delta_audio_mode_pins[] = {
 	AMS_DELTA_MIXED,
 	AMS_DELTA_HANDSET,
 	AMS_DELTA_HANDSFREE,