[numerics] fix NM_MUMPS_test includes
#include "SiconosNumerics.h"
#include "NumericsMatrix.h"
#include "NumericsSparseMatrix.h"
-#include "siconos/NM_MUMPS.h"
-#include "siconos/NM_MPI.h"
+#include "NM_MUMPS.h"
+#include "NM_MPI.h"
#define SIZE 2
#include <stdlib.h>
#include <stdio.h>
