in lockers.c
in do_locker
find

   for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
      if( locker->name == ch->name )
         break;

change it to

   for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
      if( locker->pIndexData->vnum == OBJ_VNUM_LOCKER && !str_cmp( locker->name, ch->name ) )
         break;

in rename_locker
find

   for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
      if( locker->name == ch->name )
         break;

change it to this

   for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
      if( locker->pIndexData->vnum == OBJ_VNUM_LOCKER && !str_cmp( locker->name, ch->name ) )
         break;

in save.c
find

                     for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
                     {
                        if( locker->name == ch->name )
                           break;
                     }

change it to

                     for( locker = ch->in_room->first_content; locker; locker = locker->next_content )
                     {
                        if( locker->pIndexData->vnum == OBJ_VNUM_LOCKER && !str_cmp( locker->name, ch->name ) )
                           break;
                     }