[epiphany] window: Silence unfixable deprecation warning

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 5722fff2e82744e40fb36e6c3c295cdf20ff6ecc
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 8 15:51:57 2016 -0500

    window: Silence unfixable deprecation warning

 src/ephy-window.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/ephy-window.c b/src/ephy-window.c
index c9c8362..7d96f9f 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -1276,6 +1276,8 @@ action_activate_cb (GtkAction *action, gpointer user_data)
 static WebKitContextMenuItem *
 webkit_context_menu_item_new_from_gaction (GAction *action, const gchar *label)
 {
+#pragma GCC diagnostic push
+#pragma GCC dignostic ignored "-Wdeprecated-declarations"
   GtkAction *gtk_action;
   WebKitContextMenuItem *item;
   GActionData *action_data;
@@ -1302,6 +1304,7 @@ webkit_context_menu_item_new_from_gaction (GAction *action, const gchar *label)
   g_object_unref (gtk_action);
 
   return item;
+#pragma GCC diagnostic pop
 }
 
 static void