v1.3.2: fixed a crash in gamescene if the player died right as they fell

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java

@@ -1195,6 +1195,8 @@ public class GameScene extends PixelScene {
 	}
 
 	public static void gameOver() {
+		if (scene == null) return;
+
 		Banner gameOver = new Banner( BannerSprites.get( BannerSprites.Type.GAME_OVER ) );
 		gameOver.show( 0x000000, 2f );
 		scene.showBanner( gameOver );