libssh2: return CURLE_UPLOAD_FAILED on failure to upload

This brings its in sync with the error code returned by the
libssh backend.

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

lib/ssh.c

@@ -2368,6 +2368,10 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
         failf(conn->data, "%s", err_msg);
         state(conn, SSH_SCP_CHANNEL_FREE);
         sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+        /* Map generic errors to upload failed */
+        if(sshc->actualcode == CURLE_SSH ||
+           sshc->actualcode == CURLE_REMOTE_FILE_NOT_FOUND)
+          sshc->actualcode = CURLE_UPLOAD_FAILED;
         break;
       }
 

tests/data/test623

@@ -37,7 +37,7 @@ for ssh upload test
 disable
 </valgrind>
 <errorcode>
-79
+25
 </errorcode>
 
 </verify>