[OE-core] devshell spawning twice

[Richard Purdie]

On Tue, 2012-10-30 at 16:07 +0800, Robert Yang wrote:
> I met the same problem on openSUSE 12.1 64 bit.
> 
> I used ssh -X to opensuse, and my client is Ubuntu 11.10 32bit

The trouble is the removal of:

os.environ[export] = str(value)

I think we're going to have to add this back since it looks like we need
the parent environment adjusted as well as that of the child.

For now I'm tempted to add that line back...

Cheers,

Richard