update for json-c
This json-c update fixes the following two security issue:
- bnc#870147: Fixed buffer overflow if size_t is larger than int
(CVE-2013-6370).
- bnc#870147: Fixed possible hash collision DoS (CVE-2013-6371).
- Submitted by Ismail Dönmez (namtrac)
Fixed bugs
bnc#870147
VUL-0: CVE-2013-6370 CVE-2013-6371: json-c: buffer overflow if size_t is larger than int