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/sparc/amd7930.c b/sound/sparc/amd7930.c
index b63b3a8..5701787 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -813,7 +813,7 @@
 	default:
 		swval = &amd->pgain;
 		break;
-	};
+	}
 
 	ucontrol->value.integer.value[0] = *swval;
 
@@ -838,7 +838,7 @@
 	default:
 		swval = &amd->pgain;
 		break;
-	};
+	}
 
 	spin_lock_irqsave(&amd->lock, flags);