ccan: Correct some poor conventions in _info includes
[ccan] / ccan / avl /
drwxr-xr-x   ..
lrwxrwxrwx 22 LICENSE -> ../../licenses/BSD-MIT
-rw-r--r-- 1673 _info
-rw-r--r-- 10232 avl.c
-rw-r--r-- 3713 avl.h
drwxr-xr-x - test