Tidy up whitespaces

src/display.rs

@@ -10,7 +10,7 @@ impl Display {
 	let video = sdl_ctx.video().unwrap();
 	let window = video
 	    .window(
-		"FooBar",
+		"chip8-rs",
 		(crate::SCREEN_WIDTH * crate::SCREEN_SCALE) as u32,
 		(crate::SCREEN_HEIGHT * crate::SCREEN_SCALE) as u32)
             .position_centered()

src/main.rs

@@ -34,5 +34,4 @@ fn main() {
     let cartridge = Cartridge::new(&game_file.unwrap());
 
     processor.start(&cartridge.rom);
-
 }