FTP: fix bad check of Curl_timeleft() return code

When it returns 0 it means no timeout. Only a negative value means that
we're out of time.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/ftp.c b/lib/ftp.c
index 40ed4b790..3ea1dd31d 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -324,7 +324,7 @@ static CURLcode AllowServerConnect(struct connectdata *conn)
   for(;;) {
     timeout_ms = Curl_timeleft(conn, NULL, TRUE);
 
-    if(timeout_ms <= 0) {
+    if(timeout_ms < 0) {
       /* if a timeout was already reached, bail out */
       failf(data, "Timeout while waiting for server connect");
       return CURLE_OPERATION_TIMEDOUT;