10076 make usr/src/test smatch clean

*** 26,36 ****
  char foo[4096];
  
  static void *
  donothing(void *nothing)
  {
!         sleep(5);
          return (NULL);
  }
  
  int
  main(void)
--- 26,36 ----
  char foo[4096];
  
  static void *
  donothing(void *nothing)
  {
!         (void) sleep(5);
          return (NULL);
  }
  
  int
  main(void)
*** 66,80 ****
                  ssd.sel = SEL_LDT(i);
                  (void) sysi86(SI86DSCR, &ssd);
          }
  
          for (int i = 0; i < 10; i++)
!                 pthread_create(&tid, NULL, donothing, NULL);
  
          if (forkall() == 0) {
!                 sleep(2);
                  _exit(0);
          }
  
!         sleep(6);
          return (0);
  }
--- 66,80 ----
                  ssd.sel = SEL_LDT(i);
                  (void) sysi86(SI86DSCR, &ssd);
          }
  
          for (int i = 0; i < 10; i++)
!                 (void) pthread_create(&tid, NULL, donothing, NULL);
  
          if (forkall() == 0) {
!                 (void) sleep(2);
                  _exit(0);
          }
  
!         (void) sleep(6);
          return (0);
  }