Changed data_override variable for Ocean_Ice_Boundary%calving from

"calving" to "IS_calving" (and a similar change for calving_hflx).
This differentiates this ice-shelf-calving override from the
snow-discharge-calving override, so that data for the two sources
of calving can be set separately.

full/ice_ocean_flux_exchange.F90

@@ -521,8 +521,9 @@ subroutine flux_ocean_to_ice_finish( Time, Ice, Ocean_Ice_Boundary )
     call fms_data_override('ICE', 's',         Ocean_Ice_Boundary%s,         Time)
     call fms_data_override('ICE', 'frazil',    Ocean_Ice_Boundary%frazil,    Time)
     call fms_data_override('ICE', 'sea_level', Ocean_Ice_Boundary%sea_level, Time)
-    call fms_data_override('ICE', 'calving',      Ocean_Ice_Boundary%calving,      Time)
-    call fms_data_override('ICE', 'calving_hflx', Ocean_Ice_Boundary%calving_hflx, Time)
+    !Ice-shelf calving
+    call fms_data_override('ICE', 'IS_calving',      Ocean_Ice_Boundary%calving,      Time)
+    call fms_data_override('ICE', 'IS_calving_hflx', Ocean_Ice_Boundary%calving_hflx, Time)
     call fms_coupler_type_data_override('ICE', Ocean_Ice_Boundary%fields, Time)
 
     !  Perform diagnostic output for the ocean_ice_boundary fields