journald: use free_and_replace() where appropriate
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@ -741,8 +741,7 @@ static void server_cache_hostname(Server *s) {
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if (!x)
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return;
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free(s->hostname_field);
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s->hostname_field = x;
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free_and_replace(s->hostname_field, x);
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}
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static bool shall_try_append_again(JournalFile *f, int r) {
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