use-of-uninitialized-value in printUInt32

use-of-uninitialized-value in printUInt32: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function printUInt32 in file capstonenext/SStream.c