A 15-year-old Indonesian girl who was raped by her older brother has been jailed for six months for having an abortion, an official said on Saturday.The girl was sentenced on Thursday alongside her 17-year-old brother in a closed hearing at Muara Bulian district court on the island of Sumatra, the court spokesman Listyo Arif Budiman said.“The girl was charged under the child protection law for having an abortion,” he said.