OS-4300 increase RT signal count
Reviewed by: Robert Mustacchi <rm@joyent.com>

*** 20,30 ****
   */
  
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
!  * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
   */
  
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
--- 20,30 ----
   */
  
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
!  * Copyright 2015, Joyent, Inc.
   */
  
  /*      Copyright (c) 1988 AT&T */
  /*        All Rights Reserved   */
  
*** 100,109 ****
--- 100,110 ----
          { "RTMIN+11",   _SIGRTMIN+11 },
          { "RTMIN+12",   _SIGRTMIN+12 },
          { "RTMIN+13",   _SIGRTMIN+13 },
          { "RTMIN+14",   _SIGRTMIN+14 },
          { "RTMIN+15",   _SIGRTMIN+15 },
+         { "RTMIN+16",   _SIGRTMIN+16 },
          { "RTMAX-15",   _SIGRTMAX-15 },
          { "RTMAX-14",   _SIGRTMAX-14 },
          { "RTMAX-13",   _SIGRTMAX-13 },
          { "RTMAX-12",   _SIGRTMAX-12 },
          { "RTMAX-11",   _SIGRTMAX-11 },