[Libretro] A rendering error occurs when using `spr()` to draw a rotated sprite.

<img width="992" height="560" alt="Image" src="https://github.com/user-attachments/assets/79cb67f5-aab0-4770-8481-b5c80616444e" />

spr(1+t%60//30*2,x,y,14,3,0,-3,2,2）OR spr(1+t%60//30*2,x,y,14,3,0,-1,2,2)

You can easily reproduce this problem using the code above.