[gnome-builder] app: avoid using gtk_dialog_run().

[Christian Hergert <chergert src gnome org>]

commit 437408575c98c1efefff99cea935cc51804cd030
Author: Christian Hergert <christian hergert me>
Date:   Mon Jan 19 21:36:39 2015 -0800

    app: avoid using gtk_dialog_run().

 src/app/gb-application.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/app/gb-application.c b/src/app/gb-application.c
index fae3040..266a0b4 100644
--- a/src/app/gb-application.c
+++ b/src/app/gb-application.c
@@ -548,8 +548,9 @@ gb_application_activate_support_action (GSimpleAction *action,
                                    GTK_MESSAGE_INFO,
                                    GTK_BUTTONS_CLOSE,
                                    "%s", text);
-  gtk_dialog_run (GTK_DIALOG (dialog));
-  gtk_widget_destroy (dialog);
+  gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
+  g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
+  gtk_window_present (GTK_WINDOW (dialog));
 
 cleanup:
   g_free (text);