patch to add QNX NTO i386 support

[Andrew Cagney]

> Alright.  Perhaps the 'exec-file' command?  It seems to me that
> 'symbol-file' and 'exec-file' should combine into the 'file' command.  The
> problem is that 'exec-file /tmp/some_file' fails if there is no
> /tmp/some_file.  Maybe we could make the exec-file command unconditional?
> That way the target_ops run command can deal with it.

If this is strictly a remote target setting that only applies to the 
remote side, why not `set remote ....'.

Andrew