6136 sysmacros.h unnecessarily polutes the namespace

*** 14,23 ****
--- 14,25 ----
  #include <sendmail.h>
  #include <sm/sem.h>
  
  SM_RCSID("@(#)$Id: queue.c,v 8.987 2009/12/18 17:08:01 ca Exp $")
  
+ #include <sys/types.h>
+ #include <sys/mkdev.h>
  #include <dirent.h>
  
  # define RELEASE_QUEUE  (void) 0
  # define ST_INODE(st)   (st).st_ino