Fix leak in GetCertSubjectAltNamesOfType().  Found by valgrind.
Fix leak in GetCertSubjectAltNamesOfType().  Found by valgrind.

ERROR:root:Leak_DefinitelyLost
  malloc (ome/kcc/depot2-kcc-ts_valgrind-client/google_vendor_src_branch/valgrind/trunk/coregrind/m_replacemalloc/vg_replace_malloc.c:207)
  ...
  CERT_FindCertExtension (/usr/lib32/libnss3.so.1d)
  net::(anonymous namespace)::GetCertSubjectAltNamesOfType(CERTCertificateStr*, CERTGeneralNameTypeEnum, std::vector<std::string, std::allocator<std::string> >*) (net/base/x509_certificate_nss.cc:134)

Review URL: http://codereview.chromium.org/48097

git-svn-id: http://src.chromium.org/svn/trunk/src@11941 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 52b0efffd8935effc6b45847d52814065c03a555
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser