Update src/Interface/Modules/Render/ES/Core.h
Update src/Interface/Modules/Render/ES/Core.h

Co-Authored-By: Dan White <1b8aea73db9ed553413f6f974e18a14532e21be4@sci.utah.edu>
moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,jessdtate/SCIRun,jessdtate/SCIRun,jessdtate/SCIRun,moritzdannhauer/SCIRunGUIPrototype,moritzdannhauer/SCIRunGUIPrototype,moritzdannhauer/SCIRunGUIPrototype,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,jessdtate/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun,moritzdannhauer/SCIRunGUIPrototype,jessdtate/SCIRun