From https://bugzilla.redhat.com/attachment.cgi?id=461295
Subject: change Gtk::IconSize::IconSize to Gtk::IconSize
From: Gilles J. Seguin <segg2@videotron.ca>

--- synfigstudio-0.62.02/src/gui/dialogs/dialog_color.cpp.yy	2009-10-12 05:33:44.000000000 -0400
+++ synfigstudio-0.62.02/src/gui/dialogs/dialog_color.cpp	2010-11-17 20:43:04.000000000 -0500
@@ -93,7 +93,7 @@
 {
 	Gtk::Button *set_color_button = manage(new Gtk::Button());
 	Gtk::Image *set_color_icon = manage(new Gtk::Image(Gtk::StockID(stock_id),
-			Gtk::IconSize::IconSize(Gtk::ICON_SIZE_BUTTON)));
+			Gtk::IconSize(Gtk::ICON_SIZE_BUTTON)));
 	set_color_button->add(*set_color_icon);
 	set_color_icon->show();
 	tooltips.set_tip(*set_color_button, tip_text);