This patch lets an ebcdic box use MMapFile for files that shouldn't be

converted from ebcdic->ascii  (.gifs, raw ascii, etc.).  The handler
needs to call ap_checkconv() after the Content Type has stabilized, but
before the headers are sent.
Submitted by:   Greg Ames <gregames@us.ibm.com>
Reviewed by:    Jeff Trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@85178 13f79535-47bb-0310-9956-ffa450edef68