tree 2124733d993c1b9e7889d676c0d32a2481aa67f3
parent e2ea0f2668c39fd74e7efb252778b7b0bd276b2d
author Maxim Dounin <mdounin@mdounin.ru> 1601383938 +0300
committer Maxim Dounin <mdounin@mdounin.ru> 1601383938 +0300

Userid: userid_flags fixup.

In 7717:e3e8b8234f05, the 1st bit was incorrectly used.  It shouldn't
be used for bitmask values, as it is used by NGX_CONF_BITMASK_SET.

Additionally, special value "off" added to make it possible to clear
inherited userid_flags value.