flock: new applet

function                                             old     new   delta
flock_main                                             -     253    +253
packed_usage                                       26466   26498     +32
applet_names                                        2170    2176      +6
applet_main                                         1280    1284      +4
applet_nameofs                                       640     642      +2
applet_install_loc                                   160     161      +1
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/0 up/down: 298/0)             Total: 298 bytes

Signed-off-by: Timo Teras <timo.teras@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/Config.in b/util-linux/Config.in
index f04511b..d0d8df3 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -191,6 +191,12 @@
 	  WARNING:
 	  With all submodules selected, it will add ~8k to busybox.
 
+config FLOCK
+	bool "flock"
+	default y
+	help
+	  Manage locks from shell scripts
+
 config FREERAMDISK
 	bool "freeramdisk"
 	default n