Footprint editor cannot save and deletes footprints

[Felix Pflaum]

With the current version I cannot edit footprints and save them in the footprint editor under Windows 10 (64 bit).

They can be opened and edited normally, yet when it comes to saving, I get a warning saying:

Cannot open or save file "D:\Kicad\Libs\Footprint\LED_THT.pretty\LED_D3.0mm.kicad_mod\LED_D3.0mm.kicad_mod"

I don't understand, why the filename is doubled at the end, probably that is the root of all evil.

And not only can I not get the editor to save the file, it even gets deleted when I discard the changes, which is the only way to be able to close the program.

Application: kicad
Version: (6.0.0-rc1-dev-271-g539ca5aa3), release build
Libraries:
    wxWidgets 3.0.3
    libcurl/7.54.1 OpenSSL/1.0.2l zlib/1.2.11 libssh2/1.8.0 nghttp2/1.23.1 librtmp/2.3
Platform: Windows 8 (build 9200), 64-bit edition, 64 bit, Little endian, wxMSW
Build Info:
    wxWidgets: 3.0.3 (wchar_t,wx containers,compatible with 2.8)
    Boost: 1.60.0
    OpenCASCADE Community Edition: 6.8.0
    Curl: 7.54.1
    Compiler: GCC 7.1.0 with C++ ABI 1011

Build settings:
    USE_WX_GRAPHICS_CONTEXT=OFF
    USE_WX_OVERLAY=OFF
    KICAD_SCRIPTING=ON
    KICAD_SCRIPTING_MODULES=ON
    KICAD_SCRIPTING_WXPYTHON=ON
    KICAD_SCRIPTING_ACTION_MENU=ON
    BUILD_GITHUB_PLUGIN=ON
    KICAD_USE_OCE=ON
    KICAD_USE_OCC=OFF
    KICAD_SPICE=ON

[KiCad Janitor (kicad-janitor)]

Fixed in revision 9b44100e049f5cd55874f6d2f2fcaaa04ff48e53
https://git.launchpad.net/kicad/patch/?id=9b44100e049f5cd55874f6d2f2fcaaa04ff48e53