Fix implicit 32 -> 64 operation warning in AnimationBase

src/newgrf_animation_base.h

@@ -69,7 +69,7 @@ struct AnimationBase {
 		 * increasing this value by one doubles the wait. 0 is the minimum value
 		 * allowed for animation_speed, which corresponds to 30ms, and 16 is the
 		 * maximum, corresponding to around 33 minutes. */
-		if (_scaled_tick_counter % (1 << animation_speed) != 0) return;
+		if ((((uint32)_scaled_tick_counter) & ((1 << animation_speed) - 1)) != 0) return;
 
 		uint8 frame      = Tframehelper::Get(obj, tile);
 		uint8 num_frames = spec->animation.frames;