libksysguard - en to eu translation catalogue (3 entries)

[ctx: @label:spinbox]
en: Number of columns:
eu: Zutabe kopurua:

[ctx: @label automatic number of columns]
en: Automatic
eu: Automatikoa

[ctx: @label:listbox items are sensor face names]
en: Display style:
eu: Azaltzeko estiloa:
