use-of-uninitialized-value in PackPlanarWords

use-of-uninitialized-value in PackPlanarWords: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). MemorySanitizer: use-of-uninitialized-value in function PackPlanarWords in file lcms/src/cmspack.c