out with

              if (str[j] >= 'a' && str[j] <= 'z') {
                  str[j] = str[j] - ('a' - 'A');
              }

in with

              str[j] = apr_toupper(str[j]);


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@591184 13f79535-47bb-0310-9956-ffa450edef68