LONDON (Reuters) -Britain’s King Charles went into hospital on Friday to have a planned “corrective procedure” to address an enlarged prostate, the Sun newspaper reported. The king had arrived at the private London Clinic, where his daughter-in-law Kate, the Princess of Wales, is also having treatment after undergoing abdominal surgery last week, and he is expected to stay for two nights, the paper said. Buckingham Palace said last week that Charles, 75, would undergo the procedure this week for a benign condition which was common among men over 50. There was no immediate comment on the Sun re…