Fixed typos in pair body rounded/polygon header file

                                 double &d, double hi[3], double &t,

                                 int &contact);

  // compute contact forces if contact points are detected

  void contact_forces(Contact& contact, double j_a, double** x, 

                      double** v, double** f, double** angmom,

  void contact_forces(Contact& contact, double j_a,

                      double** x, double** v, double** angmom, double** f,

                      double** torque, double &evdwl, double* facc);

  // compute the separation between two contacts

  double contact_separation(const Contact& c1, const Contact& c2);

                      double** torque, double &evdwl, double* facc);

  // accumulate torque to a body given a force at a given point

  void sum_torque(double* xm, double *x, double fx,

                  double fy, double fz, double* torque);