fix for slow final split during threaded conversions of very wide scanlines
when downsampling (caused by extra input converting), fix for wide scanline
resamples with many splits (int overflow), fix GCC warning.
This update has been submitted for testing by music.
This update has been submitted for testing by music.
This update's test gating status has been changed to 'ignored'.
This update has been pushed to testing.
This update has been obsoleted by stb-0^20240531git013ac3b-1.el9.