John Hopewell Chief International CorrespondentLatido Films, one of Spain’s biggest vendors of Spanish-language arthouse and crossover movies, has swooped on international sales rights to “Unfinished Affairs” (“La Maniobra de la Tortuga”).Domestic distribution in Spain is handled by A Contracorriente Films, one of Spain’s top independent producer-distributors.World premiering in main competition at this year’s Malaga Festival, “Unfinished Affairs” marks the second feature from Juan Miguel del Castillo whose debut, 2015’s “Food and Shelter,” proved one of the breakout Spanish debuts of the last decade.A modern-day part of Spain’s great social-issue arthouse film tradition, “Food and Shelter” cast Natalia de Molina (“Living Is Easy With Eyes Closed”) as a single mother threatened with eviction and struggling to put food on the table for her 10-year-old son.