Director Nikhil Advani, who is awaiting the release of his forthcoming film "Hero", has called superstar Salman Khan his true "Hero".Advani, posted on Twitter where he also took the opportunity to "thank" the "Dabangg" star."Thank you @BeingSalmanKhan for making the call and changing my life. You truly are my #Hero," Advani tweeted.The film, which is co-produced by Salman marks the debut of Aditya Pancholi's son Sooraj and Suniel Shetty's daughter Athiya.Remake of Subhash Ghai's 1983 movie of the same name, "Hero" will hit theatres on Friday.