[CMake] specific target to gettext

[John Drescher]

> thenks
> i have try it but i have this error when i make
> CMakeFiles/update_pot.dir/build.make:50: *** les commandes commencent avant
> la première cible. Arrêt.
> make[2]: *** [CMakeFiles/update_pot.dir/all] Erreur 2
> make[1]: *** [CMakeFiles/update_pot.dir/rule] Erreur 2
> make: *** [update_pot] Erreur 2
> http://pastie.org/559051 : my CMakeListe.txt :) sorry if the pastbin is not
> the good solution but i never yet use mailling list
>

Make sure you send your replies to the list also. I will try to look
at this as soon as I can. Pastebin is fine.

John