partimage-ng devel-gc2 crashes on NTFS save

[Alan Meadows]

root@node1:~/partimage/devel-gc2/build# losetup /dev/loop1 /root/test_win_img_1.img
root@node1:~/partimage/devel-gc2/build# src/partimage-ng -u 5 save /dev/loop1 ./file5
Saving the partition /dev/loop1
==============================
Partition: path /dev/loop1, type 0, geometry {63, 40933619} ==
Filesystem: ntfs
Failed to mount the NTFS volume
Failed to open the NTFS partition: Invalid argument
Flag boot is set on /dev/loop1
Attempt to unmount a closed NTFS volume
Failed to close the NTFS partition:
Segmentation fault