Building on cygwin

[Zibri]

getsize.c: In function ‘ext2fs_get_device_size2’:
getsize.c:92:18: error: ‘windows_io_manager’ undeclared (first use in this function); did you mean ‘inode_io_manager’?
   92 |         retval = windows_io_manager->open(file, 0, &data_io);
      |                  ^~~~~~~~~~~~~~~~~~
      |                  inode_io_manager
getsize.c:92:18: note: each undeclared identifier is reported only once for each function it appears in