Update hdf5_save.cpp

Author: TimGoTheCreator

src/io/hdf5_save.cpp

@@ -9,7 +9,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-#include "particle_system.h"
+#include "struct/particle.h"
 #include <hdf5.h>
 #include <vector>
 #include <string>