mpu401: reindent misindented spinlock

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/oss/mpu401.c b/sound/oss/mpu401.c
index a690ca5..6c0a770 100644
--- a/sound/oss/mpu401.c
+++ b/sound/oss/mpu401.c
@@ -1015,7 +1015,7 @@
 		mpu401_chk_version(m, devc);
 		if (devc->version == 0)
 			mpu401_chk_version(m, devc);
-			spin_unlock_irqrestore(&devc->lock,flags);
+		spin_unlock_irqrestore(&devc->lock, flags);
 	}
 
 	if (devc->version != 0)