By: Shahbaz Khayambashi The Winnipeg-based Astron-6 film collective has made a career out of churning out 1980s-inspired pastiches, so it was only a matter of time before they gave giallo – the Italian horror subgenre that is equal parts noir and splatter – their treatment with The Editor. Here, the hero is a film editor with a tragic past who makes a living editing exploitation films.  As he edits the film-within-a-film, life imitates art and several of…