On 'svn-auth-x509' branch, fix some style nits.

* subversion/libsvn_subr/x509info.c
  (deep_copy_array): Use proper indentation and add brackets to for
    to be less ambiguous.

Found by: brane (indentation)


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/svn-auth-x509@1635359 13f79535-47bb-0310-9956-ffa450edef68