NAME
       FreeDBufInfo -- free information for multi-buffered animation (V39)
   SYNOPSIS
       FreeDBufInfo(db)
	             a1
	void FreeDBufInfo(struct DBufInfo *)
   FUNCTION
	Frees a structure obtained from AllocDBufInfo
   INPUTS
       db  =  A pointer to a DBufInfo.
   BUGS
   NOTES
	FreeDBufInfo(NULL) is a no-op.
   SEE ALSO
	AllocDBufInfo() ChangeVPBitMap()