COMP: enable shared build for OTBIce

Modules/Visualization/Ice/include/otbGlActor.h

Modules/Visualization/Ice/include/otbGlImageActor.h

Modules/Visualization/Ice/include/otbGlROIActor.h

Modules/Visualization/Ice/include/otbGlVectorActor.h

Modules/Visualization/Ice/include/otbGlView.h

Modules/Visualization/Ice/include/otbViewSettings.h

Modules/Visualization/Ice/otb-module.cmake

Modules/Visualization/IceViewer/include/otbIceViewer.h

Modules/Visualization/IceViewer/otb-module.cmake