fix file specification in comments

Many files include the filename at the beginning, serveral used a wrong one.

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/sound/oss/sb_mixer.h b/sound/oss/sb_mixer.h
index ab74426..4b9425f 100644
--- a/sound/oss/sb_mixer.h
+++ b/sound/oss/sb_mixer.h
@@ -1,5 +1,5 @@
 /*
- * sound/sb_mixer.h
+ * sound/oss/sb_mixer.h
  * 
  * Definitions for the SB Pro and SB16 mixers
  */