[source] busybox: enable flock by default

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/2277cd1249a6952228f36b768beea117c91123a0

commit 2277cd1249a6952228f36b768beea117c91123a0
Author: Roman Yeryomin <roman at advem.lv>
AuthorDate: Sun Dec 17 20:30:42 2017 +0200

    busybox: enable flock by default
    
    This is needed for procd init script protection to work.
    flock adds 4248 bytes to stripped busybox binary.
    
    Signed-off-by: Roman Yeryomin <roman at advem.lv>
---
 package/utils/busybox/Config-defaults.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/utils/busybox/Config-defaults.in b/package/utils/busybox/Config-defaults.in
index afb7d48..4e429f4 100644
--- a/package/utils/busybox/Config-defaults.in
+++ b/package/utils/busybox/Config-defaults.in
@@ -1497,7 +1497,7 @@ config BUSYBOX_DEFAULT_FINDFS
 	default n
 config BUSYBOX_DEFAULT_FLOCK
 	bool
-	default n
+	default y
 config BUSYBOX_DEFAULT_FDFLUSH
 	bool
 	default n