[five-or-more] Preferences dialog should be transient to the main window

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b950370d87c1df2bc6fd82ab63ccee4e73115f0d
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Aug 18 09:32:51 2013 -0500

    Preferences dialog should be transient to the main window
    
    This means it appears in the middle of the game's window, not off to the
    side, and is not considered a separate window by GNOME Shell.

 src/glines.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/glines.c b/src/glines.c
index 51956ad..0c3a642 100644
--- a/src/glines.c
+++ b/src/glines.c
@@ -1413,6 +1413,7 @@ game_props_callback (GSimpleAction *action,
     pref_dialog_done = TRUE;
   }
 
+  gtk_window_set_transient_for (GTK_WINDOW (pref_dialog), GTK_WINDOW (app));
   gtk_window_present (GTK_WINDOW (pref_dialog));
 }