12093 devid_scsi_encode() should use a static format string

*** 23,32 ****
--- 23,36 ----
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
+  * Copyright 2019 Joyent, Inc.
+  */
+ 
+ /*
   * These functions are used to encode SCSI INQUIRY data into
   * Solaris devid / guid values.
   */
  
  #ifndef _KERNEL
*** 230,240 ****
                                      sizeof (inq_std->inq_pid));
                                  (void) strcat(msg, " ");
                                  (void) strncat(msg, inq_std->inq_revision,
                                      sizeof (inq_std->inq_revision));
                                  (void) strcat(msg, "\n");
!                                 cmn_err(CE_WARN, msg);
                                  kmem_free(msg,
                                      MSG_NOT_STANDARDS_COMPLIANT_SIZE);
                          }
  #endif  /* _KERNEL */
                  }
--- 234,244 ----
                                      sizeof (inq_std->inq_pid));
                                  (void) strcat(msg, " ");
                                  (void) strncat(msg, inq_std->inq_revision,
                                      sizeof (inq_std->inq_revision));
                                  (void) strcat(msg, "\n");
!                                 cmn_err(CE_WARN, "%s", msg);
                                  kmem_free(msg,
                                      MSG_NOT_STANDARDS_COMPLIANT_SIZE);
                          }
  #endif  /* _KERNEL */
                  }