12399 kobj printf functions should be checked

*** 19,28 ****
--- 19,30 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  *
+  * Copyright 2020 Joyent, Inc.
   */
  
  /*
   * Kernel Run-Time Linker/Loader private interfaces.
   */
*** 182,193 ****
  extern int boot_compinfo(int, struct compinfo *);
  extern void mach_modpath(char *, const char *);
  
  extern void kobj_setup_standalone_vectors(void);
  extern void kobj_restore_vectors(void);
! extern void (*_kobj_printf)(void *, const char *fmt, ...);
! extern void (*_vkobj_printf)(void *, const char *fmt, va_list);
  extern void (*kobj_bcopy)(const void *, void *, size_t);
  extern void (*kobj_bzero)(void *, size_t);
  extern size_t (*kobj_strlcat)(char *, const char *, size_t);
  
  #define KOBJ_LM_PRIMARY         0x0
--- 184,196 ----
  extern int boot_compinfo(int, struct compinfo *);
  extern void mach_modpath(char *, const char *);
  
  extern void kobj_setup_standalone_vectors(void);
  extern void kobj_restore_vectors(void);
! extern void (*_kobj_printf)(void *, const char *fmt, ...) __KPRINTFLIKE(2);
! extern void (*_vkobj_printf)(void *, const char *fmt, va_list)
!     __KVPRINTFLIKE(2);
  extern void (*kobj_bcopy)(const void *, void *, size_t);
  extern void (*kobj_bzero)(void *, size_t);
  extern size_t (*kobj_strlcat)(char *, const char *, size_t);
  
  #define KOBJ_LM_PRIMARY         0x0