RFA: Add 'target |' support for MinGW

[Eli Zaretskii]

> Cc: gdb-patches@sources.redhat.com
> From: Jim Blandy <jimb@codesourcery.com>
> Date: Wed, 12 Apr 2006 11:38:55 -0700
> 
> > Do we really want binary I/O in _all_ situations?  Can it be that,
> > depending on the command on the other side of the pipe, someone would
> > like the CR characters to be stripped from the EOLs in the incoming
> > stuff?  The way you wrote it, AFAICS, binary I/O is always used, no
> > matter what.
> 
> Well, the pipe is carrying the GDB remote protocol, which is happier
> with binary.

Do we never ask the remote to list text files, for example?