COMP: avoid configuration wraning with VC2010
COMP: avoid configuration wraning with VC2010

See http://www.cmake.org/pipermail/cmake/2011-May/044166.html

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB