[Bf-committers] Link error with new SConscript

[Nathan Letwory]

>>
> The define required to include OpenEXR in the build is WITH_OPENEXR, not
> WITH_BF_OPENEXR. Try that, that should fix the problems.

Yes, but the adding of WITH_OPENEXR and include paths etc is governed by
WITH_BF_OPENEXR which is a configuration option. Don't confuse it with the
define WITH_OPENEXR which is used in actual code.

/Nathan