fix potential memleak in x509 parser reported by coverity
Fix mem leak and unchecked dynamic cast reported by Coverity.
Updating submodule(s).

 [nomail]
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  Fix mem leak and unchecked dynamic cast reported by Coverity.
  fix potential memleak in x509 parser reported by coverity