EBCDIC fixes:

  getline(): pick up a couple of Martin's changes which were missed when
  the 1.3.x EBCDIC fixes to this funciton were merged into 2.0

  ap_setup_client_block(): fix the logic that, based on the mime type,
  can decide not to translate the request body


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@85406 13f79535-47bb-0310-9956-ffa450edef68