NAME
          freepopdens - Closes file and deallocates population density
          data

     SYNOPSIS
          #include "lpj.h"

          void freepopdens(Popdens popdens,Bool isroot);


     DESCRIPTION
          Function closes open file and deallocates population density
          data.  The arguments of freepopdens are:

          popdens
               Pointer to population density data.  Must be
               initialized by initpopdens().

          isroot
               task is root task.

     RETURN VALUE
          None.


     AUTHORS
          For authors and contributors see AUTHORS file


     COPYRIGHT
          (C) Potsdam Institute for Climate Impact Research (PIK), see
          COPYRIGHT file


     SEE ALSO
          initpopdens(3), readpopdens(3), getpopdens(3)