[seahorse] fix path to ssh-askpass

[Niels De Graef <nielsdg src gnome org>]

commit dbc697f204abc3c5abae83d22900d29f8eade749
Author: ItayXD <lavieitay gmail com>
Date:   Mon Apr 23 22:54:02 2018 +0300

    fix path to ssh-askpass
    
    Signed-off-by: ItayXD <lavieitay gmail com>

 ssh/operation.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/ssh/operation.vala b/ssh/operation.vala
index e0972ef..c4f744b 100644
--- a/ssh/operation.vala
+++ b/ssh/operation.vala
@@ -181,7 +181,7 @@ public abstract class Operation : GLib.Object {
         // No terminal for this process
         Posix.setsid();
 
-        Environment.set_variable("SSH_ASKPASS", "%sseahorse-ssh-askpass".printf(Config.EXECDIR), false);
+        Environment.set_variable("SSH_ASKPASS",GLib.Path.build_filename(Config.EXECDIR, "ssh-askpass"), 
false);
 
         // We do screen scraping so we need locale C
         if (Environment.get_variable("LC_ALL") != null)