json_out: make json_out_finished finish buffer.
[ccan] / ccan / build_assert /
drwxr-xr-x   ..
lrwxrwxrwx 18 LICENSE -> ../../licenses/CC0
-rw-r--r-- 1350 _info
-rw-r--r-- 1228 build_assert.h
drwxr-xr-x - test