On 'svn-auth-x509' branch, Add a test for v1 certificates which we crashed on prior to r1619861.
On 'svn-auth-x509' branch, Add a test for v1 certificates which we crashed on
prior to r1619861.

* subversion/tests/libsvn_subr/x509-test.c
  (cert_tests): New test case.


git-svn-id: f69d95e79bd5010e6e46130ecc63a181c542bb30@1653136 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion