tdb: enforce hashing, via example hash in old rwlocks entry in header.
[ccan] / ccan / ilog /
drwxr-xr-x   ..
lrwxrwxrwx 23 LICENCE -> ../../licences/LGPL-2.1
-rw-r--r-- 1399 _info
-rw-r--r-- 3117 ilog.c
-rw-r--r-- 5511 ilog.h
drwxr-xr-x - test