libssh: added SFTP support

The SFTP back-end supports asynchronous reading only, limited
to 32-bit file length. Writing is synchronous with no other
limitations.

This also brings keyboard-interactive authentication.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/url.c b/lib/url.c
index 731e46fea..731e67e17 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -200,7 +200,7 @@ static const struct Curl_handler * const protocols[] = {
   &Curl_handler_scp,
 #endif
 
-#if defined(USE_LIBSSH2)
+#if defined(USE_LIBSSH2) || defined(USE_LIBSSH)
   &Curl_handler_sftp,
 #endif