Move pthread_cond_broadcast() before the matching slurm_mutex_unlock()

src/plugins/jobcomp/script/jobcomp_script.c

src/sbcast/agent.c

src/slurmctld/agent.c

src/slurmctld/controller.c

src/slurmctld/locks.c

src/slurmctld/state_save.c

src/slurmdbd/rpc_mgr.c