3015 lofiadm should use libz.so.1, not libz.so

*** 22,31 ****
--- 22,32 ----
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   * Copyright 2012 Joyent, Inc.  All rights reserved.
   *
   * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
+  * Copyright (c) 2014 Gary Mills
   */
  
  /*
   * lofiadm - administer lofi(7d). Very simple, add and remove file<->device
   * associations, and display status. All the ioctls are private between
*** 148,158 ****
  #define SEGSIZE                 131072
  #define BLOCK_SIZE              512
  #define KILOBYTE                1024
  #define MEGABYTE                (KILOBYTE * KILOBYTE)
  #define GIGABYTE                (KILOBYTE * MEGABYTE)
! #define LIBZ                    "libz.so"
  
  static void
  usage(const char *pname)
  {
          (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
--- 149,159 ----
  #define SEGSIZE                 131072
  #define BLOCK_SIZE              512
  #define KILOBYTE                1024
  #define MEGABYTE                (KILOBYTE * KILOBYTE)
  #define GIGABYTE                (KILOBYTE * MEGABYTE)
! #define LIBZ                    "libz.so.1"
  
  static void
  usage(const char *pname)
  {
          (void) fprintf(stderr, gettext(USAGE), pname, pname, pname,
*** 166,176 ****
          static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
          void *libz_hdl = NULL;
  
          /*
           * The first time we are called, attempt to dlopen()
!          * libz.so and get a pointer to the compress2() function
           */
          if (compress2p == NULL) {
                  if ((libz_hdl = openlib(LIBZ)) == NULL)
                          die(gettext("could not find %s. "
                              "gzip compression unavailable\n"), LIBZ);
--- 167,177 ----
          static int (*compress2p)(void *, ulong_t *, void *, size_t, int) = NULL;
          void *libz_hdl = NULL;
  
          /*
           * The first time we are called, attempt to dlopen()
!          * libz.so.1 and get a pointer to the compress2() function
           */
          if (compress2p == NULL) {
                  if ((libz_hdl = openlib(LIBZ)) == NULL)
                          die(gettext("could not find %s. "
                              "gzip compression unavailable\n"), LIBZ);