Skip c++ object example with NUMA, it's incorrect

examples/cpp/add_vectors_cpp11.cpp

@@ -29,7 +29,7 @@
 #endif
 
 #include <starpu.h>
-#if !defined(STARPU_HAVE_CXX11)
+#if !defined(STARPU_HAVE_CXX11) || defined(STARPU_USE_NUMA)
 int main(int argc, char **argv)
 {
 	return STARPU_TEST_SKIPPED;

include/starpu_config.h.in

@@ -102,6 +102,7 @@
 #undef STARPU_HAVE_GLPK_H
 
 #undef STARPU_HAVE_LIBNUMA
+#undef STARPU_USE_NUMA
 
 #undef STARPU_HAVE_WINDOWS
 #undef STARPU_LINUX_SYS