[ALSA] sb16 - Suppress compile warning

sound/isa/sb/sb16_csp.c: In function ‘snd_sb_csp_new’:
sound/isa/sb/sb16_csp.c:121: warning: ‘version’ may be used uninitialized in this function

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/isa/sb/sb16_csp.c

@@ -118,7 +118,8 @@ static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buff
 int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep)
 {
 	struct snd_sb_csp *p;
-	int version, err;
+	int uninitialized_var(version);
+	int err;
 	struct snd_hwdep *hw;
 
 	if (rhwdep)