Merge branch 'ricotz/vala' into 'mainline'

Don't alter or try to write [GtkChild] properties

See merge request GNOME/geary!630

src/client/components/components-inspector-log-view.vala

@@ -66,10 +66,10 @@ public class Components.InspectorLogView : Gtk.Grid {
     }
 
     [GtkChild]
-    private Hdy.SearchBar search_bar { get; private set; }
+    private Hdy.SearchBar search_bar;
 
     [GtkChild]
-    private Gtk.SearchEntry search_entry { get; private set; }
+    private Gtk.SearchEntry search_entry;
 
     [GtkChild]
     private Gtk.ListBox sidebar;