mod_ssl: Fixes PR 62880 where certificate loading fails bc SSL ERRs are

         not cleared beforehand.
+1: icing, jim, minfrin


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1847280 13f79535-47bb-0310-9956-ffa450edef68