reply back to http clients.
Use fprintf/fwrite instead, since we are already using a FILE *
to read the input.
If you wonder why, this is because it makes it trivial to
implement https support (as long as your system has funopen()).
And this is what i am going to put in with the next few commits...
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@45858 65c4cc65-6c06-0410-ace0-fbb531ad65f3