ALSA: bebob: Add static specifier to identifier with file scope

Some variables were declared without static even if they're not referred
to from external files. This commit make them local symbols for better
information-hiding by file unit.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/firewire/bebob/bebob_focusrite.c b/sound/firewire/bebob/bebob_focusrite.c
index e71066d..45a0eed 100644
--- a/sound/firewire/bebob/bebob_focusrite.c
+++ b/sound/firewire/bebob/bebob_focusrite.c
@@ -256,7 +256,7 @@
 	.get	= &saffire_both_clk_src_get,
 };
 /* Saffire LE */
-struct snd_bebob_meter_spec saffire_le_meter_spec = {
+static struct snd_bebob_meter_spec saffire_le_meter_spec = {
 	.num	= ARRAY_SIZE(saffire_le_meter_labels),
 	.labels	= saffire_le_meter_labels,
 	.get	= &saffire_meter_get,
@@ -267,7 +267,7 @@
 	.meter	= &saffire_le_meter_spec
 };
 /* Saffire */
-struct snd_bebob_meter_spec saffire_meter_spec = {
+static struct snd_bebob_meter_spec saffire_meter_spec = {
 	.num	= ARRAY_SIZE(saffire_meter_labels),
 	.labels	= saffire_meter_labels,
 	.get	= &saffire_meter_get,