Merge r1773162 from trunk:

After eliminating unusual whitespace in Unsafe mode (e.g. \f \v), we are left
with the same behavior in both of these cases. Simplify. Noted by rpluem.


Submitted by: wrowe
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1773803 13f79535-47bb-0310-9956-ffa450edef68