Hthor silently crash at clean-up.

 Core was generated by `hthor --workunit=W20220907-105133 --daliServers=192.168.1.56:7070'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007efff79d953f in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
(gdb) bt
#0  0x00007efff79d953f in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#1  0x00007efff79db098 in _Unwind_Backtrace ()
   from /lib/x86_64-linux-gnu/libgcc_s.so.1
#2  0x00007efff7d12fc8 in __GI___backtrace (array=<optimised out>, 
    size=<optimised out>) at ../sysdeps/x86_64/backtrace.c:111
#3  0x00007efff86c64ac in printStackReport (startIP=139637136744375)
    at /home/ati/HPCC-Platform/system/jlib/jexcept.cpp:1545
#4  0x00007efff86c59d7 in excsighandler (signum=11, info=0x7ffe3d06d7b0, 
    extra=0x7ffe3d06d680)
    at /home/ati/HPCC-Platform/system/jlib/jexcept.cpp:1158
#5  <signal handler called>
#6  0x00007effcdeedfb7 in ?? ()
#7  0x00007efff3a73253 in i18n_cleanup ()
    at .././../src/c-69_1-src-078eed3d9c.clean/source/i18n/ucln_in.cpp:41
#8  0x00007efff3ad19ed in ucln_cleanupOne_69 (libType=UCLN_I18N)
    at .././../src/c-69_1-src-078eed3d9c.clean/source/common/ucln_cmn.cpp:59
#9  0x00007efff3ad1b64 in ucln_lib_cleanup_69 ()
    at .././../src/c-69_1-src-078eed3d9c.clean/source/common/ucln_cmn.cpp:110
#10 0x00007efff3ad199e in u_cleanup_69 ()
    at .././../src/c-69_1-src-078eed3d9c.clean/source/common/ucln_cmn.cpp:46
#11 0x00007efff396d17e in _modExit288 ()
    at /home/ati/HPCC-Platform/rtl/eclrtl/eclrtl.cpp:291
#12 0x00007efff86f9950 in InitTable::exit (this=0x556c42879e70, ctx=0x0)
---Type <return> to continue, or q <return> to quit---
    at /home/ati/HPCC-Platform/system/jlib/jlib.cpp:110
#13 0x00007efff86f9600 in ExitModuleObjects (ctx=0x0)
    at /home/ati/HPCC-Platform/system/jlib/jlib.cpp:40
#14 0x00007efff86f962f in ExitModuleObjects ()
    at /home/ati/HPCC-Platform/system/jlib/jlib.cpp:46
#15 0x0000556c407dde76 in main (argc=3, argv=0x7ffe3d06ded8)
    at /home/ati/HPCC-Platform/ecl/eclagent/eclagentmain.cpp:75

U_CAPI void U_EXPORT2 ucln_cleanupOne(ECleanupLibraryType libType) 
{
    if (gLibCleanupFunctions[libType])
    {
        gLibCleanupFunctions[libType]();
        gLibCleanupFunctions[libType] = NULL;
    }
}