[glibmm] Gio::Application: Destructor: Use noexcept in the implementation too.

[Murray Cumming <murrayc src gnome org>]

commit 6c7c14875d0f1d249abcccb0033297c8d48619dc
Author: Murray Cumming <murrayc murrayc com>
Date:   Sun Nov 29 21:32:46 2015 +0100

    Gio::Application: Destructor: Use noexcept in the implementation too.
    
    Bug #758798 (Émeric MASCHINO)

 gio/src/application.ccg |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/src/application.ccg b/gio/src/application.ccg
index 9fb5866..c7488ac 100644
--- a/gio/src/application.ccg
+++ b/gio/src/application.ccg
@@ -278,7 +278,7 @@ Application::Application(const Glib::ustring& application_id, ApplicationFlags f
 
 }
 
-Application::~Application()
+Application::~Application() noexcept
 {
   // Delete all OptionArgCallbackData instances that belong to this application.
   std::lock_guard<std::mutex> lock(option_arg_callback_data_mutex);