Changes the visibility of `Event::from_ll` to pub
Changes the visibility of `Event::from_ll` to pub

Closes #1210.

Cobrand/rust-sdl2,Cobrand/rust-sdl2,Rust-SDL2/rust-sdl2,Rust-SDL2/rust-sdl2,Rust-SDL2/rust-sdl2,Cobrand/rust-sdl2