fix weird things that happen with canned error messages due to using two

different request_recs after an ErrorDocument internal redirect failure.
examples: wrong Content-Type, garbled output from ebcdic servers due to
double charset translation


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96364 13f79535-47bb-0310-9956-ffa450edef68