Fixing for gcc-6.1

src/main.cpp

@@ -30,6 +30,8 @@ int main(int argc, char* argv[])
 #include "Space/Shape/Box.hpp"
 #include "util.hpp"
 
+//using namespace openfpm;
+
 #include "unit_test_init_cleanup.hpp"
 #include "Graph/CartesianGraphFactory_unit_test.hpp"
 #include "Decomposition/CartDecomposition_unit_test.hpp"