typesafe: fix warnings with gcc's -Wcast-qual
[ccan] / ccan / typesafe_cb /
drwxr-xr-x   ..
lrwxrwxrwx 23 LICENSE -> ../../licenses/LGPL-2.1
-rw-r--r-- 4368 _info
drwxr-xr-x - test
-rw-r--r-- 8369 typesafe_cb.h