(svn r1629) added a counter to tell how many engines you have of each type to the autoreplace vehicle windows and made them show only the vehicles you actually have in the left list.
this also fixes some window updates issues when autoreplacing
//{{NO_DEPENDENCIES}}
// Microsoft Developer Studio generated include file.
// Used by ttd.rc
//
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 104
#define _APS_NEXT_COMMAND_VALUE 40001
#define _APS_NEXT_CONTROL_VALUE 1005
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif