FIX: Typo in CMakeLists file for ScrollablePaneDemo.
FIX: Typo in CMakeLists file for ScrollablePaneDemo.

OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI