Roe (x86 FBC): winbase.bi errors

C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2366) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2374) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2382) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2389) error 3: Expected End-of-Line, found '+'
        return Old + 1
                   ^
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2390) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2397) error 3: Expected End-of-Line, found '-'
        return Old - 1
                   ^
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2398) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2406) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi(2414) warning 13(0): Function result was not explicitly set
C:\Program Files (x86)\FreeBASIC\inc\win\winbase.bi() error 48: Undefined label, OLD