FIX: switch to 'if test' syntax from 'if [' for shell commands (cmake issues)
FIX: switch to 'if test' syntax from 'if [' for shell commands (cmake issues)

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