11227 smb code needs smatch fixes

*** 9,18 ****
--- 9,19 ----
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
   * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
+  * Copyright 2019 Joyent, Inc.
   */
  
  /*
   * Test & debug program for smb_msgbuf.c and smb_mbuf_marshaling.c
   */
*** 62,72 ****
                  printf("%02x ", *buf++);
  
                  idx++;
                  if ((idx & 3) == 0) {
                          *pa++ = ' ';
!                         putchar(' ');
                  }
                  if ((idx & 15) == 0) {
                          *pa = '\0';
                          printf("%s\n", ascii);
                  }
--- 63,73 ----
                  printf("%02x ", *buf++);
  
                  idx++;
                  if ((idx & 3) == 0) {
                          *pa++ = ' ';
!                         (void) putchar(' ');
                  }
                  if ((idx & 15) == 0) {
                          *pa = '\0';
                          printf("%s\n", ascii);
                  }
*** 75,85 ****
          if ((idx & 15) != 0) {
                  *pa = '\0';
                  /* column align the last ascii row */
                  while ((idx & 15) != 0) {
                          if ((idx & 3) == 0)
!                                 putchar(' ');
                          printf("   ");
                          idx++;
                  }
                  printf("%s\n", ascii);
          }
--- 76,86 ----
          if ((idx & 15) != 0) {
                  *pa = '\0';
                  /* column align the last ascii row */
                  while ((idx & 15) != 0) {
                          if ((idx & 3) == 0)
!                                 (void) putchar(' ');
                          printf("   ");
                          idx++;
                  }
                  printf("%s\n", ascii);
          }