[gtkmm] Gdk::PixbufFormat: Added is_save_option_supported().

[Murray Cumming <murrayc src gnome org>]

commit e270f2f4da084ba65181d30daf186f61bf51de85
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Sep 14 09:23:01 2016 +0200

    Gdk::PixbufFormat: Added is_save_option_supported().

 gdk/src/pixbufformat.hg |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/src/pixbufformat.hg b/gdk/src/pixbufformat.hg
index 3255ce6..650ebf0 100644
--- a/gdk/src/pixbufformat.hg
+++ b/gdk/src/pixbufformat.hg
@@ -39,6 +39,7 @@ public:
 #m4 
_CONVERSION(`gchar**',`std::vector<Glib::ustring>',`Glib::ArrayHandler<Glib::ustring>::array_to_vector($3, 
Glib::OWNERSHIP_DEEP)')
   _WRAP_METHOD(std::vector<Glib::ustring> get_mime_types() const, gdk_pixbuf_format_get_mime_types)
   _WRAP_METHOD(std::vector<Glib::ustring> get_extensions() const, gdk_pixbuf_format_get_extensions)
+  _WRAP_METHOD(bool is_save_option_supported(const Glib::ustring& option_key) const, 
gdk_pixbuf_format_is_save_option_supported)
   _WRAP_METHOD(bool is_writable() const, gdk_pixbuf_format_is_writable)
 
   _WRAP_METHOD(bool is_scalable() const, gdk_pixbuf_format_is_scalable)