update TODO
core: unify how we create the notify and private dbus socket

Use the same robust logic of mkdir + unlink of any existing AF_UNIX
socket, ignoring the return value, right before bind().
log: explicitly ignore return value of parse_proc_cmdline()

CID# 1251162
utf8: when looking at the next unichar, honour the size parameter, in utf8_is_printable_newline()
sysusers: be nice and print a warning if futimens() fails

CID# 1251163