xap_helper.h: fix non-assignable stderr case

I mixed up "flush" with "close" :x

Fixes: 87b7f633f241 (xap_helper: implement mset endpoint for WWW, IMAP, etc...)

diff --git a/lib/PublicInbox/xap_helper.h b/lib/PublicInbox/xap_helper.h
index 1866556740bbf127e4a5998bfe24c6d8f15e2db4..c1ab66f3ba4a7221ee533e3f130813a53547b14a 100644 (file)
--- a/lib/PublicInbox/xap_helper.h
+++ b/lib/PublicInbox/xap_helper.h
@@ -714,7 +714,7 @@ static void stderr_restore(FILE *tmp_err)
        stderr = orig_err;
        return;
 #endif
-       ERR_CLOSE(stderr, EXIT_FAILURE);
+       ERR_FLUSH(stderr);
        while (dup2(orig_err_fd, STDERR_FILENO) < 0) {
                if (errno != EINTR)
                        err(EXIT_FAILURE, "dup2(%d => 2)", orig_err_fd);