container_of: don't put member_ptr in container_off.
[ccan] / ccan / container_of / test /
drwxr-xr-x   ..
-rw-r--r-- 361 compile_fail-bad-type.c
-rw-r--r-- 410 compile_fail-types.c
-rw-r--r-- 494 compile_fail-var-types.c
-rw-r--r-- 563 run.c