libtasn1: fix CVE-2014-3469

Integrate Community fix for CVE-2014-3469
Jira: SB-3026
Signed-off-by: Priyanka Shobhan <priyanka_shobhan@mentor.com>
Merge pull request #225 from pshobhan/pshobhan/bugfix/CVE-2014-3469

libtasn1: fix CVE-2014-3469