I think it would also work with a 0 before the D0h in DEFINE HSER_RCSTA.

Don't think there's anything missing. Sometimes it helps to look at the Defaults in the PBPPIC14.lib file.
Code:
;****************************************************************
;* Default hardware serial port values                          *
;****************************************************************

    ifndef HSER_BITS
HSER_BITS = 8			; Default to 8 bits
    endif
    ifndef HSER_RCSTA           ; Receive register data
      if (HSER_BITS != 9)
HSER_RCSTA EQU 90h              ; Receiver enabled
      else
HSER_RCSTA EQU 0d0h		; Receiver enabled for 9 bits
      endif
    endif
    ifndef HSER_TXSTA           ; Transmit register data
      if (HSER_BITS != 9)
HSER_TXSTA EQU 20h              ; Transmitter enabled
      else
HSER_TXSTA EQU 60h              ; Transmitter enabled for 9 bits
      endif
    endif