Merge r1777354 from trunk:

old IBM EBCDIC fix that never got shared.


Submitted by: covener
Reviewed by: covener, wrowe, ylavic (by inspection)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1788447 13f79535-47bb-0310-9956-ffa450edef68