config: update size information

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/procps/free.c b/procps/free.c
index ee0cd98..3acfc40 100644
--- a/procps/free.c
+++ b/procps/free.c
@@ -7,7 +7,7 @@
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
 //config:config FREE
-//config:	bool "free (2.4 kb)"
+//config:	bool "free (3.1 kb)"
 //config:	default y
 //config:	select PLATFORM_LINUX #sysinfo()
 //config:	help