NEW YORK — Brooklyn-born actor Tony Ganios, known for roles in cult movies such as “Porky’s” and “The Wanderers,” had died at the age of 64. The actor’s fiancee, Amanda Serrano, confirmed Tuesday that Ganios died unexpectedly on Feb. 18 after falling ill days before. In a social media post, Serrano explained that Ganios “hadn’t felt well” and “hid it” from her for several days. But on Saturday, he was taken to a hospital in New York, where he underwent emergency surgery after doctors discovered he had a “severely infected” spinal cord. While the operation itself was successful, the ’80s film s…