[gnome-builder] Unbreak runtime on OpenBSD.

[Antoine Jacoutot <ajacoutot src gnome org>]

commit 8cf4174ab8e002f7be60283f693a5764afc99173
Author: Antoine Jacoutot <ajacoutot gnome org>
Date:   Mon Jun 29 08:53:53 2015 +0200

    Unbreak runtime on OpenBSD.
    
    Error building template class 'GbGreeterWindow' for an instance of type 'GbGreeterWindow': Invalid object 
type 'EggSearchBar'
    
    https://bugzilla.gnome.org/show_bug.cgi?id=751595

 src/greeter/gb-greeter-window.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/greeter/gb-greeter-window.c b/src/greeter/gb-greeter-window.c
index d32c9e9..67c248a 100644
--- a/src/greeter/gb-greeter-window.c
+++ b/src/greeter/gb-greeter-window.c
@@ -21,6 +21,7 @@
 #include <glib/gi18n.h>
 #include <ide.h>
 
+#include "egg-search-bar.h"
 #include "egg-signal-group.h"
 #include "egg-state-machine.h"
 
@@ -574,6 +575,7 @@ gb_greeter_window_class_init (GbGreeterWindowClass *klass)
   gtk_widget_class_bind_template_child (widget_class, GbGreeterWindow, state_machine);
   gtk_widget_class_bind_template_child (widget_class, GbGreeterWindow, viewport);
 
+  g_type_ensure (EGG_TYPE_SEARCH_BAR);
   g_type_ensure (EGG_TYPE_STATE_MACHINE);
   g_type_ensure (GB_TYPE_GREETER_PROJECT_ROW);
   g_type_ensure (GB_TYPE_SCROLLED_WINDOW);