sftp: add the option CURLKHSTAT_FINE_REPLACE

Replace the old fingerprint of the host with a new.

Closes #5685

1 files changed, 1 insertions, 0 deletions

diff --git a/include/curl/curl.h b/include/curl/curl.h
index f4d5bf645..2366ef3c7 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -832,6 +832,7 @@ enum curl_khstat {
   CURLKHSTAT_DEFER,  /* do not accept it, but we can't answer right now so
                         this causes a CURLE_DEFER error but otherwise the
                         connection will be left intact etc */
+  CURLKHSTAT_FINE_REPLACE, /* accept and replace the wrong key*/
   CURLKHSTAT_LAST    /* not for use, only a marker for last-in-list */
 };