10886 smatch debug macro cleanup in usr/src/uts

*** 2,11 ****
--- 2,15 ----
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
+  * Copyright 2019 Joyent, Inc.
+  */
+ 
+ /*
   * Copyright (c) 2006 Sam Leffler, Errno Consulting
   * Copyright (c) 2008-2009 Weongyo Jeong <weongyo@freebsd.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
*** 92,102 ****
  
  #ifdef DEBUG
  #define UATH_DEBUG \
          uath_debug
  #else
! #define UATH_DEBUG
  #endif
  
  /*
   * Various supported device vendors/products.
   * UB51: AR5005UG 802.11b/g, UB52: AR5005UX 802.11b/g
--- 96,106 ----
  
  #ifdef DEBUG
  #define UATH_DEBUG \
          uath_debug
  #else
! #define UATH_DEBUG(...) (void)(0)
  #endif
  
  /*
   * Various supported device vendors/products.
   * UB51: AR5005UG 802.11b/g, UB52: AR5005UX 802.11b/g