Merge pull request #842 from martok/meamc-bugfix

src/USER-MEAMC/meam.h

src/USER-MEAMC/meam_dens_final.cpp

src/USER-MEAMC/meam_force.cpp

src/USER-MEAMC/meam_funcs.cpp

src/USER-MEAMC/meam_setup_done.cpp