drivers/char: removes unnecessary semicolon

removes unnecessary semicolon

Found by Coccinelle: http://coccinelle.lip6.fr/

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index 04a480f..cfdfe49 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -93,9 +93,9 @@
 			button_callback_list [lp].count = 0;
 			callback_count--;
 			return 0;
-		};
+		}
 		lp--;
-	};
+	}
 	return -EINVAL;
 }