[gstreamermm: 141/167] fixed setting property method

[Murray Cumming <murrayc src gnome org>]

commit 903c551d8bfa2ef233e11f291144425450e7bfdf
Author: Marcin Kolny at Flytronic <marcin kolny flytronic pl>
Date:   Tue Aug 6 13:19:58 2013 +0200

    fixed setting property method

 gstreamer/src/element.hg |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/gstreamer/src/element.hg b/gstreamer/src/element.hg
index 582afe0..668901b 100644
--- a/gstreamer/src/element.hg
+++ b/gstreamer/src/element.hg
@@ -393,11 +393,11 @@ public:
    * (e.g. element->property("location", "test.ogg")->property("num_buffers", 20);
    */
   template<typename T>
-  Glib::RefPtr<Gst::Element> property(const Glib::ustring& name, const T& value)
-  {
-      set_property(name, value);
-      return Glib::RefPtr<Gst::Element>(*this);
-  }
+   Glib::RefPtr<Gst::Element> property(const Glib::ustring& name, const T& value)
+   {
+       set_property(name, value);
+       return Glib::RefPtr<Gst::Element>( dynamic_cast<Gst::Element*> (Glib::wrap_auto ((GObject*)(gobj()), 
true)) );
+   }
 
 protected:
 #m4begin