glib demo: fix warning
diff --git a/glib/demo/selections.c b/glib/demo/selections.c
index dc6c672..eff099e 100644
--- a/glib/demo/selections.c
+++ b/glib/demo/selections.c
@@ -337,7 +337,7 @@
gtk_style_context_get_color (style_context, GTK_STATE_FLAG_SELECTED, &rgba);
gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->fg_color_button), &rgba);
- gtk_style_context_get_background_color (style_context, GTK_STATE_FLAG_SELECTED, &rgba);
+ gtk_style_context_get (style_context, GTK_STATE_FLAG_SELECTED, "background-color", &rgba, NULL);
gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->bg_color_button), &rgba);
}