Fixed compiler warning in "gl_sprite.cpp"
This fixes a compiler warning introduced in: 17757ad8e820f40edf930d64f27b5641c62d1fa6.
This instance will be upgraded to Heptapod 17.3.0rc1 on 2024-09-20 between 16:00 and 17:00 UTC+2
This fixes a compiler warning introduced in: 17757ad8e820f40edf930d64f27b5641c62d1fa6.