use-of-uninitialized-value in MSLEndElement

use-of-uninitialized-value in MSLEndElement: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). MemorySanitizer: use-of-uninitialized-value in function MSLEndElement in file graphicsmagick/coders/msl.c