Argentina’s Tarea Fina, a producer on Cannes Camera d’Or winner “Las Acacias,” International Oscar entry “The Sleepwalkers” and Ventana Sur hit “Sublime,” has boarded “A Loose End,” the third feature as a director from Uruguay’s Daniel Hendler, a Berlin Silver Bear winner for Best Actor in Daniel Burman’s 2004 international breakout “The Lost Embrace.” Set …