“I love you dad,” is the last text that Reservoir Dogs star Michael Madsen received from his son before he killed himself. The son of a Hollywood legend, Hudson Madsen, 26, was a U.S. Army Sergeant, stationed in Hawaii, who had just finished his first tour when he shot himself in the head, his father said. Shutterstock “I am in shock as my son, whom I just spoke with a few days ago, said he was happy–my last text from him was…