“Delete file” in the Main Menu/ File causes an “Access violation”

[CM630]

Test sequence:

1. Open an image.
2. In Main Menu — File press Delete file.

Expected behaviour:
On step 2: The open file is deleted.

Actual behaviour:
On step 2:

1. An “Access violation” error is shown.
2. The file is not deleted.

Environment:
Windows 10, 64 bit.
Lazzy Image Vierwer, version: 0.7.1