updated for version 7.3.085

Problem:    Inconsistency with preproc symbols.  void * computation.
Solution:   Include vimio.h from vim.h.  Add type cast.

src/spell.c

@@ -303,10 +303,6 @@
  *			    few bytes as possible, see offset2bytes())
  */
 
-#if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
-# include "vimio.h"	/* for lseek(), must be before vim.h */
-#endif
-
 #include "vim.h"
 
 #if defined(FEAT_SPELL) || defined(PROTO)