QColorSpace: Guard against division by zero
Fixes oss-fuzz issue 35547.
Pick-to: 5.15 6.2 Change-Id: Ida0b92ab17548f359d8634114bbdeb4c9d3a8dc8 Reviewed-by: Allan Sandfeld Jensen allan.jensen@qt.io (cherry picked from commit 49d89d86)
Fixes oss-fuzz issue 35547.
Pick-to: 5.15 6.2 Change-Id: Ida0b92ab17548f359d8634114bbdeb4c9d3a8dc8 Reviewed-by: Allan Sandfeld Jensen allan.jensen@qt.io (cherry picked from commit 49d89d86)