bindings: cxx: drop a stray newline
bindings: cxx: drop a stray newline

Drop an unnecessary newline from struct line_event.

Signed-off-by: Bartosz Golaszewski <e5d45fddd9040473413b909b802f629a971ad04c@baylibre.com>

brgl/libgpiod,brgl/libgpiod,brgl/libgpiod,brgl/libgpiod