Fixing boost test full dynamic

src/main.cpp

-#define BOOST_TEST_MODULE "C++ test module for OpenFPM_vcluster project"
 #define BOOST_TEST_DYN_LINK
 #include <boost/test/unit_test.hpp>
 
+// initialization function:
+bool init_unit_test()
+{
+  return true;
+}
+
+// entry point:
+int main(int argc, char* argv[])
+{
+	return boost::unit_test::unit_test_main( &init_unit_test, argc, argv );
+}
+
 #include "config.h"
 #include "VCluster/VCluster.hpp"