When running dump-capability, don't do stderr_close_shutdown since it could break and make epoll_ctl() return with EPERM.
When running dump-capability, don't do stderr_close_shutdown since it could
break and make epoll_ctl() return with EPERM.

--HG--
branch : HEAD

jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot