bpo-38461 and bpo-38463: Minor fixes to Whatsnew 3.8 (GH-16761) (GH-16762)

* bpo-38461: ncurses misspelled as curses

* bpo-38463: Fix broken link
(cherry picked from commit 61a6db5e79921b89b9e2a154990f01f5f3150213)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
1 file changed