fixed memory leak in Depth2PC
fixed memory leak in Depth2PC

dariomangoni/chrono,rserban/chrono,dariomangoni/chrono,projectchrono/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,dariomangoni/chrono,projectchrono/chrono,projectchrono/chrono,dariomangoni/chrono,rserban/chrono,rserban/chrono,projectchrono/chrono,rserban/chrono,dariomangoni/chrono,rserban/chrono,dariomangoni/chrono,projectchrono/chrono