Laurent Rineau f8b28c6ff8 Fix compilation with Boost-1.56 and later ... In Boost-1.56 and later, with C++11, boost::optional::operator bool() is explicit.		2015-01-13 16:59:07 +01:00
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CGAL	Fix compilation with Boost-1.56 and later	2015-01-13 16:59:07 +01:00