When we get some kind of write failure or protocol problem, close the current...

When we get some kind of write failure or protocol problem, close the current socket, since we don't know if we are left in a working state.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/fcgi-proxy-dev@360174 13f79535-47bb-0310-9956-ffa450edef68