LOS ANGELES — Country star Cindy Walker was posthumously inducted into the Songwriters Hall of Fame, it was announced Thursday. Some hits include “Blue Canadian Rockies,” as made famous by Gene Autry, Bing Crosby’s “Lone Star Trail,” and Roy Orbison’s “Dream Baby.” She died in 2006 at age 87 in Mexia, Texas. That same year, Willie Nelson released a tribute …