In read_request_line(), we don't have to check any sort of EOF flag

anymore because getline() returns < 0 upon EOF.
There are also a few very minor tweaks to getline() -- remove an
unused variable, remove a couple of unnecessary comments, simplify
an error path.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@86553 13f79535-47bb-0310-9956-ffa450edef68