12385 tst.subr.d needs fixing for NULL as a pointer

@@ -20,11 +20,11 @@
  */
 
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
- * Copyright (c) 2012, Joyent, Inc.  All rights reserved.
+ * Copyright 2020 Joyent, Inc.
  */
 
 #include <sys/dtrace.h>
 
 #define INTFUNC(x)                      \

@@ -59,12 +59,12 @@
 INTFUNC(mutex_type_adaptive(&`cpu_lock))
 INTFUNC(mutex_type_spin(&`cpu_lock))
 INTFUNC(rw_read_held(&`vfssw_lock))
 INTFUNC(rw_write_held(&`vfssw_lock))
 INTFUNC(rw_iswriter(&`vfssw_lock))
-INTFUNC(copyin(NULL, 1))
-STRFUNC(copyinstr(NULL, 1))
+INTFUNC(copyin((uintptr_t)NULL, 1))
+STRFUNC(copyinstr((uintptr_t)NULL, 1))
 INTFUNC(speculation())
 INTFUNC(progenyof($pid))
 INTFUNC(strlen("fooey"))
 VOIDFUNC(copyout)
 VOIDFUNC(copyoutstr)