[gtkmm-documentation] Fix the book/application/app_menu example.

[Kjell Ahlstedt <kjellahl src gnome org>]

commit d3871ad92d29c8ef8b3bf11f2a31876bf4e898f3
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Tue Sep 11 09:02:25 2012 +0200

    Fix the book/application/app_menu example.
    
    * examples/book/application/app_menu/exampleapplication.cc: Change the name
    of the Gio::SimpleAction from "app.something" to "something".
    Bug #683645 (Tom Jaeger)

 ChangeLog                                          |    8 ++++++++
 .../application/app_menu/exampleapplication.cc     |    3 ++-
 2 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index b2f482c..70b1680 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2012-09-11  Kjell Ahlstedt <kjell ahlstedt bredband net>
+
+	Fix the book/application/app_menu example.
+
+	* examples/book/application/app_menu/exampleapplication.cc: Change the name
+	of the Gio::SimpleAction from "app.something" to "something".
+	Bug #683645 (Tom Jaeger)
+
 2012-08-29  Kjell Ahlstedt <kjell ahlstedt bredband net>
 
 	Clipboard and Socket examples: Make them non-unique.
diff --git a/examples/book/application/app_menu/exampleapplication.cc b/examples/book/application/app_menu/exampleapplication.cc
index 5c0b840..fcfe557 100644
--- a/examples/book/application/app_menu/exampleapplication.cc
+++ b/examples/book/application/app_menu/exampleapplication.cc
@@ -34,7 +34,7 @@ void ExampleApplication::on_startup()
   //Call the base class's implementation:
   Gtk::Application::on_startup();
 
-  m_action = Gio::SimpleAction::create("app.something");
+  m_action = Gio::SimpleAction::create("something");
   m_action->signal_activate().connect(
     sigc::mem_fun(*this, &ExampleApplication::on_action_something) );
   add_action(m_action);
@@ -48,6 +48,7 @@ void ExampleApplication::on_startup()
 void ExampleApplication::create_window()
 {
   ExampleWindow* window = new ExampleWindow();
+  window->set_default_size(300, 100);
 
   //Make sure that the application runs for as long this window is still open:
   add_window(*window);