sound: Remove unnecessary semicolon

A simplified version of the semantic patch that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r1@
statement S;
position p,p1;
@@
S@p1;@p

@script:python r2@
p << r1.p;
p1 << r1.p1;
@@
if p[0].line != p1[0].line_end:
        cocci.include_match(False)
@@
position r1.p;
@@
-;@p
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/oss/sb_mixer.c b/sound/oss/sb_mixer.c
index f8f3b7a..acf7586 100644
--- a/sound/oss/sb_mixer.c
+++ b/sound/oss/sb_mixer.c
@@ -410,7 +410,7 @@
 		case MDL_SMW:
 			if (devc->model == MDL_ESS && ess_set_recmask (devc, &devmask)) {
 				break;
-			};
+			}
 			if (devmask != SOUND_MASK_MIC &&
 				devmask != SOUND_MASK_LINE &&
 				devmask != SOUND_MASK_CD)
@@ -666,7 +666,7 @@
 
 	if (devc->model != MDL_ESS || !ess_mixer_reset (devc)) {
 		set_recmask(devc, SOUND_MASK_MIC);
-	};
+	}
 }
 
 int sb_mixer_init(sb_devc * devc, struct module *owner)