en to pt_BR translation catalogue (3 entries)

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Minimize
pt_BR: &Minimizar

[ctx: KStatusNotifierItem|@action:inmenu]
en: Quit
pt_BR: Sair

[ctx: KStatusNotifierItem|@action:inmenu]
en: &Restore
pt_BR: &Restaurar
