update for zrtpcpp
Add cve-fixes-bnc828028.diff: backport patch for fixing
CVE-2013-2221, CVE-2013-2222, CVE-2013-2223
- Submitted by Jan Engelhardt (jengelh)
Fixed bugs
bnc#828028
VUL-0: ZRTPCPP: multiple issues (CVE-2013-2221 CVE-2013-2222 CVE-2013-2223)