[gnome-builder] context: restore files in the background

[Christian Hergert <chergert src gnome org>]

commit f23e2d265f89d0038391d96828ebce5ef3f7eed4
Author: Christian Hergert <chergert redhat com>
Date:   Tue Aug 8 17:39:39 2017 -0700

    context: restore files in the background
    
    This is still causing them to go foreground, but we can fix that later.

 libide/ide-context.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-context.c b/libide/ide-context.c
index c540d0d..b256217 100644
--- a/libide/ide-context.c
+++ b/libide/ide-context.c
@@ -2149,7 +2149,7 @@ restore_in_idle (gpointer user_data)
   ifile = ide_project_get_project_file (self->project, file);
   g_ptr_array_remove_index (ar, ar->len - 1);
 
-  flags = IDE_WORKBENCH_OPEN_FLAGS_NONE;
+  flags = IDE_WORKBENCH_OPEN_FLAGS_BACKGROUND;
 
   ide_buffer_manager_load_file_async (self->buffer_manager,
                                       ifile,