Not Localized Desktop Icons After Installation

After installing Trisquel 6.0 in Spanish, the default desktop icons "Computer", "home", "Network Servers" and "Trash" are displayed in English.

Steps to reproduce

1. Download the trisquel_6.0_i686.iso 04-Mar-2013 07:40 696M from http://devel.trisquel.info/makeiso/iso/ .
2. Burn the image to a CD.
3. Boot from CD.
4. In the installer screen, select "Español" as the language for installation.
5. Select "Instalar Trisquel".
6. In "Bienvenido/a", select "Español" and click "Continuar".
7. In "Preparando la instalación de Trisquel", click "Continuar".
8. In "Tipo de instalación" select "Reemplazar Trisquel 5.0 con Trisquel" and click "Continuar".
9. In "Reemplazar Trisquel 5.0 con Trisquel" click "Continuar".
10. In "¿Dónde se encuentra?" select "Bogota" and click "Continuar".
11. In "Distribución de teclado" select "Español (Latinoamericano)" and click "Continuar".
12. In "¿Quién es usted?" fill the user name, computer name and password fields, and click "Continuar".
13. Wait for the installation to finish and reboot the system when asked for.
14. Log in

Expected behaviour

After following the steps above, everything in the desktop should be in Spanish, including the default desktop icons "Computer", "home", "Network Servers" and "Trash".

Unexpected behaviour (or what happens instead)

After following the steps above, everything in the desktop is in Spanish, except the default desktop icons "Computer", "home", "Network Servers" and "Trash", which are displayed in English.