[solang] Removed workaround for Gtkmm bug: GNOME Bugzilla #583037

[Debarshi Ray <debarshir src gnome org>]

commit d1b1cf34de18e7734a13c694b77c2ba927593efd
Author: Debarshi Ray <rishi gnu org>
Date:   Sat Mar 13 10:52:41 2010 +0200

    Removed workaround for Gtkmm bug: GNOME Bugzilla #583037

 src/renderer/thumbnail-view.cpp |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/renderer/thumbnail-view.cpp b/src/renderer/thumbnail-view.cpp
index 607b28b..ed2146f 100644
--- a/src/renderer/thumbnail-view.cpp
+++ b/src/renderer/thumbnail-view.cpp
@@ -158,7 +158,6 @@ ThumbnailView::get_photo_from_path(const Gtk::TreeModel::Path & path)
                                    throw()
 {
     const TreeModelPtr & model = get_model();
-    g_object_ref(model->gobj());
 
     Gtk::TreeModel::iterator model_iter = model->get_iter(path);
     Gtk::TreeModel::Row row = *model_iter;