A woman does not have a case for malicious prosecution against an ex-boyfriend who filed a frivolous lawsuit accusing her of tricking him into believing they were married, a federal judge held.In a written order this week, U.S. District Judge Manish S. Shah dismissed the suit Leticia Villarreal filed against Jonathan I. Arnold after Arnold lost his suit against Villarreal.Arnold and Villarreal sued each other under state law — his action was brought under California law and hers under Illinois law — but filed …