Fieldset: Fix memory leaks
@@ -142,6 +142,7 @@ static void grib_fieldset_delete_columns(grib_fieldset* set)
case GRIB_TYPE_STRING:
for (j = 0; j < set->columns[i].size; j++)
grib_context_free(c, set->columns[i].string_values[j]);
+ grib_context_free(c, set->columns[i].string_values);
break;
default:
grib_context_log(c, GRIB_LOG_ERROR,
