Fix bug in WriteCheckpoint utility functino (missing new line)
Fix bug in WriteCheckpoint utility functino (missing new line)

rserban/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,rserban/chrono,dariomangoni/chrono,dariomangoni/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,dariomangoni/chrono,dariomangoni/chrono,dariomangoni/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,rserban/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,projectchrono/chrono,projectchrono/chrono,rserban/chrono