curl.1: add missing exit-code

I noted a missing text for exit-code 89 in docs/curl.1

diff --git a/docs/curl.1 b/docs/curl.1
index c4592feb24fe16f3084e2dc58e75a00165a331c5..e21e870781454e2df9877f38b6b3eea0280b3259 100644 (file)
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -2067,6 +2067,8 @@ RTSP: mismatch of Session Identifiers
 unable to parse FTP file list
 .IP 88
 FTP chunk callback reported error
+.IP 89
+No connection available, the session will be queued
 .IP XX
 More error codes will appear here in future releases. The existing ones
 are meant to never change.