FILE - In this Jan. 25, 2006 photo, Ann-Marie Johnson, National First Vice President of the Screen Actors Guild second from right, joins Gone With the Wind cast, from left: Ann Rutherford, Cammie King Conlon, Mickey Kuhn, Patrick Curtis and Fred Crane  to celebrate actress Hattie McDaniel's stamp, seen at left, at the Margaret Herrick Library of the Academy of Motion Picture Arts and Sciences in Beverly Hills, Calif. Cammie King Conlon, the former child actress who portrayed the doomed daughter of Rhett Butler and Scarlett O'Hara in 'Gone With the Wind,' has died at the age of 76.   She died of lung cancer Wednesday morning at her Fort Bragg home on California's north coast, said friend Bruce Lewis.  Her son, Matthew Ned Conlon, was by her side.  (AP Photo/Damian Dovarganes)AP – Cammie King Conlon, the former child actress who portrayed the doomed daughter of Rhett Butler and Scarlett O’Hara in „Gone With the Wind,” has died at the age of 76.