7a4ee86161
This reverts commit 1db6dbb1dc.
The original patch was reverted because of issue #25369. The issue was created
because it wrongly assumed that sd_journal_seek_tail() seeks to 'current' tail.
But in fact, only when a subsequent sd_journal_previous() is called that it's
pointing to the tail at that time. The concept of 'tail' in sd_journal_seek_tail()
only has a logical meaning, and a sd_journal_previous is needed. In fact, if we
look at the codes in journalctl, we can see sd_journal_seek_tail() is followed by
sd_journal_previous(). By contrary, a sd_journal_next() after a 'logical' tail does
not make much sense. So the original patch is correct, and projects that are
using 'sd_journal_next()' right after 'sd_journal_seek_tail()' should do fixes
as in https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2823#note_1637715.
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