[gtkmm-documentation/wip/dboles/no-new: 2/2] docb: Don't recommend `new` for an in-class member

[Daniel Boles <dboles src gnome org>]

commit 2ed6330256812daff32f533521282e527b35abdf
Author: Daniel Boles <dboles src gmail com>
Date:   Sun Nov 24 19:32:08 2019 +0000

    docb: Don't recommend `new` for an in-class member
    
    Instead, recommend an std::unique_ptr, which will destroy it via RAII,
    rather than requiring that the user remember to `delete` it and have to
    define a non-trivial destructor just to do that, which is just busywork.

 docs/tutorial/C/index-in.docbook | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/tutorial/C/index-in.docbook b/docs/tutorial/C/index-in.docbook
index 1fc1093..5270c9f 100644
--- a/docs/tutorial/C/index-in.docbook
+++ b/docs/tutorial/C/index-in.docbook
@@ -3563,7 +3563,7 @@ mouse button.
 m_refBuilder->add_from_string(ui_info);
 
 auto gmenu = m_refBuilder->get_object<Gio::Menu>("menu-examplepopup");
-m_pMenuPopup = new Gtk::Menu(gmenu);]]>
+m_pMenuPopup = std::make_unique<Gtk::Menu>(gmenu);]]>
 </programlisting>
 
 <para>