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

*** 20,29 ****
--- 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   */
  
*** 126,135 ****
--- 127,137 ----
                  "Twelfth Realtime Signal",              /* SIGRTMIN+11  */
                  "Thirteenth Realtime Signal",           /* SIGRTMIN+12  */
                  "Fourteenth Realtime Signal",           /* SIGRTMIN+13  */
                  "Fifteenth Realtime Signal",            /* SIGRTMIN+14  */
                  "Sixteenth Realtime Signal",            /* SIGRTMIN+15  */
+                 "Seventeenth Realtime Signal",          /* SIGRTMIN+16  */
                  "Sixteenth Last Realtime Signal",       /* SIGRTMAX-15  */
                  "Fifteenth Last Realtime Signal",       /* SIGRTMAX-14  */
                  "Fourteenth Last Realtime Signal",      /* SIGRTMAX-13  */
                  "Thirteenth Last Realtime Signal",      /* SIGRTMAX-12  */
                  "Twelfth Last Realtime Signal",         /* SIGRTMAX-11  */