formatting: add additional space to avoid bad syntax highlights

src/BODY/fix_wall_body_polyhedron.cpp

src/COLLOID/pair_lubricate.cpp

src/COLLOID/pair_lubricateU.cpp

src/GRANULAR/pair_gran_hooke_history.cpp

src/LATTE/fix_latte.cpp

src/MANYBODY/fix_qeq_comb.cpp

src/MANYBODY/pair_adp.cpp

src/MANYBODY/pair_comb.cpp

src/MANYBODY/pair_comb3.cpp

src/MANYBODY/pair_eam.cpp

src/MANYBODY/pair_eam_cd.cpp

src/MANYBODY/pair_eim.cpp

src/MANYBODY/pair_nb3b_harmonic.cpp

src/MC/fix_atom_swap.cpp

src/MC/fix_bond_break.cpp

src/MC/fix_bond_create.cpp

src/MEAM/pair_meam.cpp

src/MISC/fix_orient_bcc.cpp

src/MISC/fix_orient_fcc.cpp

src/MISC/xdr_compat.cpp