[gedit-plugins] findinfiles: don't use {add, remove}_accelerator() (deprecated)

[Sébastien Wilmet <swilmet src gnome org>]

commit b820ea080ef18c7416eea08d01435073c45721c6
Author: LemonBoy <thatlemon gmail com>
Date:   Sat Oct 10 16:52:36 2015 +0200

    findinfiles: don't use {add,remove}_accelerator() (deprecated)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756348

 plugins/findinfiles/plugin.vala |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/plugins/findinfiles/plugin.vala b/plugins/findinfiles/plugin.vala
index 6863e1d..f8ecdfb 100644
--- a/plugins/findinfiles/plugin.vala
+++ b/plugins/findinfiles/plugin.vala
@@ -159,13 +159,15 @@ public class App : GLib.Object, Gedit.AppActivatable {
         var item = new GLib.MenuItem (_("Find in Files…"), "win.find-in-files");
         menu_ext.append_menu_item (item);
 
-        app.add_accelerator ("<Shift><Ctrl>f", "win.find-in-files", null);
+        const string accels[] = { "<Shift><Ctrl>f" };
+        app.set_accels_for_action ("win.find-in-files", accels);
     }
 
     public void deactivate () {
         menu_ext.remove_items ();
 
-        app.remove_accelerator ("win.find-in-files", null);
+        const string accels[] = {  };
+        app.set_accels_for_action ("win.find-in-files", accels);
     }
 }