use-of-uninitialized-value in gnutls x509 get time

use-of-uninitialized-value in gnutls x509 get time: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). MemorySanitizer: use-of-uninitialized-value in function gnutls x509 get time in file gnutls/lib/x509/time.c