10130 smatch fixes for usr/src/cmd/fm

*** 20,29 ****
--- 20,34 ----
   */
  
  /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   */
+ 
+ /*
+  * Copyright (c) 2018, Joyent, Inc.
+  */
+ 
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <alloca.h>
  #include <errno.h>
*** 809,819 ****
                          case 'R':
                                  nhdl->nh_rootdir = strdup(optarg);
                                  break;
                          default:
                                  free(nhdl);
!                                 return (usage(nhdl->nh_pname));
                          }
                  }
          }
  
          /*
--- 814,824 ----
                          case 'R':
                                  nhdl->nh_rootdir = strdup(optarg);
                                  break;
                          default:
                                  free(nhdl);
!                                 return (usage(argv[0]));
                          }
                  }
          }
  
          /*