fix missing symbols in the exports so we can link on win32
fix missing symbols in the exports so we can link on win32

svn path=/trunk/; revision=1232

cpanxaoc/perl-Gtk2,cpanxaoc/perl-Gtk2,potyl/perl-Gtk2,potyl/perl-Gtk2,cpanxaoc/perl-Gtk2,potyl/perl-Gtk2