Set pointer to loo_pass_data.F90's flux to _scalar_flux in Loo
Set pointer to loo_pass_data.F90's flux to _scalar_flux in Loo

As opposed to _old_scalar_flux. This way the flux in loo_pass_data.F90
contains the Loo computed final scalar fluxes.

lilulu/openmc,lilulu/openmc,lilulu/openmc