innobase/include/os0file.h:
  Add os_file_set_eof()
innobase/os/os0file.c:
  Add os_file_set_eof()
innobase/srv/srv0srv.c:
  Replace chsize() or ftruncate() with os_file_set_eof()
sql/ha_innodb.cc:
  Replace my_chsize() with os_file_set_eof()