config: update size information

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/mountpoint.c b/util-linux/mountpoint.c
index 6b21a5f..a44cf60 100644
--- a/util-linux/mountpoint.c
+++ b/util-linux/mountpoint.c
@@ -9,7 +9,7 @@
  * Based on sysvinit's mountpoint
  */
 //config:config MOUNTPOINT
-//config:	bool "mountpoint (4.5 kb)"
+//config:	bool "mountpoint (4.9 kb)"
 //config:	default y
 //config:	help
 //config:	mountpoint checks if the directory is a mountpoint.