I18n: Add new translation ms (61%).

22 translated messages, 14 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation ms (100%).

36 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (100%).

36 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).