sound: convert "sound" subdirectory to UTF-8

Convert the "sound" subdirectory to UTF-8.

Signed-off-by: John Anthony Kazos Jr. <jakj@j-a-k-j.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/sound/oss/es1371.c b/sound/oss/es1371.c
index 974dd73..593a3aa 100644
--- a/sound/oss/es1371.c
+++ b/sound/oss/es1371.c
@@ -100,7 +100,7 @@
  *                       Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com>
  *    05.01.2001   0.29  Hopefully updates will not be required anymore when Creative bumps
  *                       the CT5880 revision.
- *                       suggested by Stephan Müller <smueller@chronox.de>
+ *                       suggested by Stephan Müller <smueller@chronox.de>
  *    31.01.2001   0.30  Register/Unregister gameport
  *                       Fix SETTRIGGER non OSS API conformity
  *    14.07.2001   0.31  Add list of laptops needing amplifier control