Option NETCDF4_ENABLED==1 now produces output in netCDF-4 classic model

rather than full netCDF-4.

src/sicopolis.F90

@@ -5,7 +5,7 @@
 !
 #define       MODEL_SICOPOLIS
 #define       VERSION '5-dev'
-#define       DATE    '2022-07-21'
+#define       DATE    '2022-10-12'
 !
 !> @mainpage
 !!

src/subroutines/general/output_m.F90

@@ -8277,7 +8277,7 @@ end subroutine output5
 
 #if (NETCDF4_ENABLED==1)
 
-  cmode           = NF90_NETCDF4
+  cmode           = ior(NF90_NETCDF4, NF90_CLASSIC_MODEL)
   n_deflate_level = 1
   flag_shuffle    = .true.