forked from mirror/OpenTTD
-Cleanup: use DAYS_TILL_ORIGINAL_BASE_YEAR where the date variables are in the old date format and conversions are needed. -Cleanup: replace one (forgotten) instance of uint16 with Date.
-Cleanup: use DAYS_TILL_ORIGINAL_BASE_YEAR where the date variables are in the old date format and conversions are needed. -Cleanup: replace one (forgotten) instance of uint16 with Date.