[gnome-games] nintendo-ds-layout-item: Fix subtitle check

[Alexander Mikhaylenko <alexm src gnome org>]

commit 9854a6c568d1833afbfadd543c49b6b41b8d823d
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Sun Aug 18 03:46:43 2019 +0500

    nintendo-ds-layout-item: Fix subtitle check
    
    Actually check whether the string, rather than the label widget, is null.

 plugins/nintendo-ds/src/nintendo-ds-layout-item.vala | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/plugins/nintendo-ds/src/nintendo-ds-layout-item.vala 
b/plugins/nintendo-ds/src/nintendo-ds-layout-item.vala
index 09b969c1..359e123d 100644
--- a/plugins/nintendo-ds/src/nintendo-ds-layout-item.vala
+++ b/plugins/nintendo-ds/src/nintendo-ds-layout-item.vala
@@ -16,12 +16,13 @@ private class Games.NintendoDsLayoutItem : Gtk.ListBoxRow {
        }
 
        public override void constructed () {
-               this.icon.icon_name = layout.get_icon ();
-               this.title.label = layout.get_title ();
+               icon.icon_name = layout.get_icon ();
+               title.label = layout.get_title ();
 
-               if (subtitle != null) {
-                       this.subtitle.label = layout.get_subtitle ();
-                       this.subtitle.show ();
+               var subtitle_str = layout.get_subtitle ();
+               if (subtitle_str != null) {
+                       subtitle.label = subtitle_str;
+                       subtitle.show ();
                }
 
                base.constructed ();