Gio::Application: Destructor: Use noexcept in the implementation too.
Gio::Application: Destructor: Use noexcept in the implementation too.

Bug #758798 (Émeric MASCHINO)

GNOME/glibmm,GNOME/glibmm,GNOME/glibmm,GNOME/glibmm,GNOME/glibmm