config: update size information

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/renice.c b/util-linux/renice.c
index ee0fb3c..a318ffc 100644
--- a/util-linux/renice.c
+++ b/util-linux/renice.c
@@ -18,7 +18,7 @@
  *   following IDs (if any).  Multiple switches are allowed.
  */
 //config:config RENICE
-//config:	bool "renice (3.8 kb)"
+//config:	bool "renice (4.2 kb)"
 //config:	default y
 //config:	help
 //config:	Renice alters the scheduling priority of one or more running