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.

Backports: 1773162


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x-merge-http-strict@1773163 13f79535-47bb-0310-9956-ffa450edef68