[gvfs/gnome-3-34] Revert "sftp: Always use port 22 if not specified"

[Ondrej Holy <oholy src gnome org>]

commit 491c7306336d0582cdc7b063f0eb834d115528c7
Author: Ondrej Holy <oholy redhat com>
Date:   Tue Oct 1 14:51:38 2019 +0200

    Revert "sftp: Always use port 22 if not specified"
    
    This reverts commit 1a38caf8bcb4e02b68f8062319ef7736796a7e64.

 daemon/gvfsbackendsftp.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/daemon/gvfsbackendsftp.c b/daemon/gvfsbackendsftp.c
index 3feccc9c..a2f353b0 100644
--- a/daemon/gvfsbackendsftp.c
+++ b/daemon/gvfsbackendsftp.c
@@ -1134,7 +1134,7 @@ handle_login (GVfsBackend *backend,
                                               "sftp",
                                              object,
                                              authtype,
-                                              op_backend->port != 22 ?
+                                             op_backend->port != -1 ?
                                              op_backend->port
                                              :
                                              0,
@@ -1330,7 +1330,7 @@ handle_login (GVfsBackend *backend,
                                    "sftp",
                                   object,
                                   authtype,
-                                   op_backend->port != 22 ?
+                                  op_backend->port != -1 ?
                                   op_backend->port
                                   :
                                   0, 
@@ -1995,7 +1995,7 @@ do_mount (GVfsBackend *backend,
   if (op_backend->user_specified_in_uri)
     g_mount_spec_set (sftp_mount_spec, "user", op_backend->user);
   g_mount_spec_set (sftp_mount_spec, "host", op_backend->host);
-  if (op_backend->port != 22)
+  if (op_backend->port != -1)
     {
       char *v;
       v = g_strdup_printf ("%d", op_backend->port);
@@ -2065,10 +2065,12 @@ try_mount (GVfsBackend *backend,
     }
 
   port = g_mount_spec_get (mount_spec, "port");
-  op_backend->port = 22;
+  op_backend->port = -1;
   if (port != NULL)
     {
-      op_backend->port = atoi (port);
+      int p = atoi (port);
+      if (p != 22)
+        op_backend->port = p;
     }
   
   user = g_mount_spec_get (mount_spec, "user");