#3231 ckpt: ckptnd crash in cpnd_ckpt_sc_cpnd_mdest_del

[Thuan Tran]

Core was generated by `/usr/local/lib/opensaf/osafckptnd'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00005641e0b63374 in cpnd_ckpt_sc_cpnd_mdest_del (cb=0x5641e13e9eb0) at src/ckpt/ckptnd/cpnd_proc.c:2660
        dest_list = 0x607040701000300
        prev_ckpt_id = <optimized out>
        ckpt_node = 0x5641e13f1f00
        ckpt_node = <optimized out>
        dest_list = <optimized out>
        prev_ckpt_id = <optimized out>
#1  cpnd_proc_cpd_down (cb=cb@entry=0x5641e13e9eb0) at src/ckpt/ckptnd/cpnd_proc.c:809
No locals.
#2  0x00005641e0b5b176 in cpnd_evt_proc_mds_evt (evt=0x7fd890008dd0, cb=0x5641e13e9eb0) at src/ckpt/ckptnd/cpnd_evt.c:4815
        rc = 1
        rc = <optimized out>
...

[Thuan Tran]

commit 2bb5f2448b8d25420481190eb09179e5f9b625b9 (HEAD -> develop, origin/develop)
Author: thuan.tran thuan.tran@dektech.com.au
Date: Wed Nov 4 17:32:02 2020 +0700

ckpt: fix ckptnd crash in cpnd_ckpt_sc_cpnd_mdest_del [#3231]

- Correct next pointer in the loop