ftp: don't do ssl_shutdown instead of ssl_close

The shutdown function is for downgrading a connection from TLS to plain,
and this is not requested here.

This partially reverts commit f002c850d98d

Reported-by: Rasmus Melchior Jacobsen
Reported-by: Denis Goleshchikhin
Fixes #5797

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/ftp.c b/lib/ftp.c
index 20351ff86..9fadac513 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -3251,9 +3251,9 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
     }
 
     if(conn->ssl[SECONDARYSOCKET].use) {
-      /* The secondary socket used SSL so we must close down that part first
-         before we close the socket for real */
-      result = Curl_ssl_shutdown(conn, SECONDARYSOCKET);
+      /* The secondary socket is using SSL so we must close down that part
+         first before we close the socket for real */
+      Curl_ssl_close(conn, SECONDARYSOCKET);
 
       /* Note that we keep "use" set to TRUE since that (next) connection is
          still requested to use SSL */