Adding bathymetry_flag to restarts and history

Restarts were unable to run with shallow water roughness due
to the bathymetry flag not existing in the restart files. Adding
to the output files simply for book keeping.

Registry/Registry.EM_COMMON

@@ -172,7 +172,7 @@ state    real   vmaxw          ij       dyn_em      1        Y     i1  "VMAXW"
 state    real   vtrop          ij       dyn_em      1        Y     i1  "VTROP"      "V-component of the tropopause wind" "m s-1"
 state    real   erod           ij.      misc        1        -     i012rd  "EROD" "fraction of erodible surface in each grid cell (0-1)"       "none"
 state    real   bathymetry     ij       dyn_em      1        -     i1  "bathymetry" "Bathymetry and topography" "m"
-state   integer BATHYMETRY_FLAG -       misc        1        -     i   "BATHYMETRY_FLAG"   "Flag for bathymetry in the global attributes for metgrid data"
+state   integer BATHYMETRY_FLAG -       misc        1        -     i0rh   "BATHYMETRY_FLAG"   "Flag for bathymetry in the global attributes for metgrid data"
 
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