Fixed linking of IECore into IECoreGL - was linking "lib/blah" instead of "blah".
Fixed linking of IECore into IECoreGL - was linking "lib/blah" instead of "blah".


danieldresser/cortex,lento/cortex,hradec/cortex,appleseedhq/cortex,hradec/cortex,danieldresser/cortex,goddardl/cortex,hradec/cortex,appleseedhq/cortex,davidsminor/cortex,appleseedhq/cortex,davidsminor/cortex,goddardl/cortex,goddardl/cortex,lento/cortex,davidsminor/cortex,davidsminor/cortex,danieldresser/cortex,danieldresser/cortex,lento/cortex