10886 smatch debug macro cleanup in usr/src/uts

*** 21,30 ****
--- 21,34 ----
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
+ /*
+  * Copyright 2019 Joyent, Inc.
+  */
+ 
  #ifndef _FP_H
  #define _FP_H
  
  
  #include <sys/note.h>
*** 124,134 ****
  
  #define FP_DTRACE               fc_trace_debug
  
  #else
  
! #define FP_DTRACE
  
  #endif
  
  #define FP_TRACE                fc_trace_debug
  
--- 128,138 ----
  
  #define FP_DTRACE               fc_trace_debug
  
  #else
  
! #define FP_DTRACE(...)          (void)(0)
  
  #endif
  
  #define FP_TRACE                fc_trace_debug