Remplace pollevent() with clearevents()

src/main.c

@@ -17,7 +17,7 @@ int main(void)
 		drect(player_x, player_y, player_x + 16, player_y + 16, C_GREEN);
 		dupdate();
 
-		pollevent();
+		clearevents();
 
 		// trying to move the player >w<
 		player_x += keydown(KEY_RIGHT) - keydown(KEY_LEFT);