shortcuts: supress some deprecation warnings

All this code will have to be revamped for Gtk4, so no need to keep track
of things here. We will just update them whole-sale for gtk4 in the future.

src/shortcuts/dzl-shortcuts-section.c

@@ -435,7 +435,12 @@ dzl_shortcuts_section_init (DzlShortcutsSection *self)
   gtk_style_context_remove_class (gtk_widget_get_style_context (GTK_WIDGET (self->switcher)), GTK_STYLE_CLASS_LINKED);
 
   self->show_all = gtk_button_new_with_mnemonic (_("_Show All"));
+  /* We'll update this with gtk4 in the future, so fine
+   * to ignore deprecations.
+   */
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
   gtk_widget_set_no_show_all (self->show_all, TRUE);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
   g_signal_connect_swapped (self->show_all, "clicked",
                             G_CALLBACK (dzl_shortcuts_section_show_all), self);
 

src/shortcuts/dzl-shortcuts-shortcut.c

@@ -265,12 +265,19 @@ update_visible_from_direction (DzlShortcutsShortcut *self)
       self->direction == gtk_widget_get_direction (GTK_WIDGET (self)))
     {
       gtk_widget_set_visible (GTK_WIDGET (self), TRUE);
+      /* When porting to gtk4, we'll have to update all this
+       * code anyway, so fine to disable warnings.
+       */
+      G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
       gtk_widget_set_no_show_all (GTK_WIDGET (self), FALSE);
+      G_GNUC_END_IGNORE_DEPRECATIONS;
     }
   else
     {
       gtk_widget_set_visible (GTK_WIDGET (self), FALSE);
+      G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
       gtk_widget_set_no_show_all (GTK_WIDGET (self), TRUE);
+      G_GNUC_END_IGNORE_DEPRECATIONS;
     }
 }