[glibmm] Gio::Application::get_busy(): return the bool.

[Murray Cumming <murrayc src gnome org>]

commit e28d7064070322f6ebde585ed4b7e0068367ec97
Author: Murray Cumming <murrayc murrayc com>
Date:   Sat Sep 10 21:09:42 2016 +0200

    Gio::Application::get_busy(): return the bool.
    
    This should not break ABI and this could not have been used anyway.
    Bug #770304

 gio/src/application.hg |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/src/application.hg b/gio/src/application.hg
index 0545516..626fa66 100644
--- a/gio/src/application.hg
+++ b/gio/src/application.hg
@@ -349,7 +349,7 @@ public:
 
   _WRAP_METHOD(void mark_busy(), g_application_mark_busy)
   _WRAP_METHOD(void unmark_busy(), g_application_unmark_busy)
-  _WRAP_METHOD(void get_is_busy() const, g_application_get_is_busy)
+  _WRAP_METHOD(bool get_is_busy() const, g_application_get_is_busy)
 
   _WRAP_METHOD(void send_notification(const Glib::ustring& id{?}, const Glib::RefPtr<Notification>& 
notification), g_application_send_notification)
   _WRAP_METHOD(void withdraw_notification(const Glib::ustring& id), g_application_withdraw_notification)