[gnome-control-center] sharing: Ensure CcHostnameEntry GType before initialization

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 0af9a5ad64de7ebaf92740ae0e5db9d92211d1f2
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Jan 17 23:18:37 2018 -0200

    sharing: Ensure CcHostnameEntry GType before initialization
    
    The exact same reasoning of 35e670c6da.

 panels/sharing/cc-sharing-panel.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/panels/sharing/cc-sharing-panel.c b/panels/sharing/cc-sharing-panel.c
index 5add115..68335ce 100644
--- a/panels/sharing/cc-sharing-panel.c
+++ b/panels/sharing/cc-sharing-panel.c
@@ -200,6 +200,8 @@ cc_sharing_panel_class_init (CcSharingPanelClass *klass)
   object_class->dispose = cc_sharing_panel_dispose;
 
   panel_class->get_help_uri = cc_sharing_panel_get_help_uri;
+
+  g_type_ensure (CC_TYPE_HOSTNAME_ENTRY);
 }
 
 static void