Fix warning C4275

It's not enough to disable this warning by adding /wd4257 at build time because it's triggered when the library is consumed.

src/ifcparse/IfcException.cpp

@@ -0,0 +1,7 @@
+#include "IfcException.h"
+
+IfcParse::IfcException::~IfcException() = default;
+
+IfcParse::IfcAttributeOutOfRangeException::~IfcAttributeOutOfRangeException() = default;
+
+IfcParse::IfcInvalidTokenException::~IfcInvalidTokenException() = default;