parseChain() fix

parseChain() fix

parseChain() from ca_adapter_net_tls.c that parse chain of X509 certificates
in DER or PEM format bug fixed. Line endings for PEM certificates corrected.

Change-Id: Ieed09114fea10eb5adb6ff88d59ca58074ea19bb
Signed-off-by: Oleksii Beketov <ol.beketov@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/12045
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Kevin Kane <kkane@microsoft.com>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit 55072b35a3aac687471a16c99a438e5fa6a02fc8)
Reviewed-on: https://gerrit.iotivity.org/gerrit/11687