[glibmm] Gio::Application: Add set_option_context_*()

[Kjell Ahlstedt <kjellahl src gnome org>]

commit c8c69046da3a6791e209f208541fd2782ae2db1a
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Thu Mar 29 19:25:47 2018 +0200

    Gio::Application: Add set_option_context_*()
    
    Add set_option_context_parameter_string(), set_option_context_summary(),
    set_option_context_description().

 gio/src/application.hg |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gio/src/application.hg b/gio/src/application.hg
index 7767854..578c298 100644
--- a/gio/src/application.hg
+++ b/gio/src/application.hg
@@ -285,6 +285,10 @@ public:
   // be custom-implemented. See https://bugzilla.gnome.org/show_bug.cgi?id=727822#c10
   _IGNORE(g_application_add_option_group)
 
+  _WRAP_METHOD(void set_option_context_parameter_string(const Glib::ustring& parameter_string{NULL}), 
g_application_set_option_context_parameter_string)
+  _WRAP_METHOD(void set_option_context_summary(const Glib::ustring& summary{NULL}), 
g_application_set_option_context_summary)
+  _WRAP_METHOD(void set_option_context_description(const Glib::ustring& description{NULL}), 
g_application_set_option_context_description)
+
   _WRAP_METHOD(bool is_registered() const, g_application_get_is_registered)
   _WRAP_METHOD(bool is_remote() const, g_application_get_is_remote)