78-year-old John Roger Rosentreter of Carlinville died Thursday, August 20.   Memorial Mass will be on Saturday, August 29 at 10:00 am at S.S. Mary & Joseph's Catholic Church in Carlinville.   Visitation will be on Friday, August 28 from 6pm until 8pm at Kravanya Funeral Home in Gillespie .   Burial will be at New Calvary Cemetery, Carlinville, IL.