[epiphany/mcatanzaro/#657] Fix New Window action in incognito mode

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 5b7bf0aacfe4f1703d15ed400dadf7da6f835734
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Jan 29 19:24:22 2019 -0600

    Fix New Window action in incognito mode
    
    This broke in f601feb4c0b0e8aabf5885e56fe6423b73f21fff. We have to pass
    --new-window now to get a new window; otherwise, it creates a new tab.
    Fixes #657

 lib/ephy-file-helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/lib/ephy-file-helpers.c b/lib/ephy-file-helpers.c
index f76b8808c..760b62b45 100644
--- a/lib/ephy-file-helpers.c
+++ b/lib/ephy-file-helpers.c
@@ -735,7 +735,7 @@ ephy_open_default_instance_window (void)
 {
   GError *error = NULL;
 
-  g_spawn_command_line_async ("epiphany", &error);
+  g_spawn_command_line_async ("epiphany --new-window", &error);
 
   if (error) {
     g_warning ("Couldn't open default instance: %s", error->message);