[ccache] ccache version 3.7.9 has been released

[Joel Rosdahl]

ccache version 3.7.9 is now available. Release archives can be found here:

    https://ccache.dev/download.html

Bug fixes:

  - Fixed replacing of /dev/null when building as root with hard link mode
    enabled and using “-o /dev/null”.

  - Removed incorrect assertion resulting in “ccache: error: Internal error in
    format” when using “-fdebug-prefix-map=X=” with X equal to “$PWD”.

Other:

  - Improved CUDA/NVCC support: Recognize “-dc” and “-x cu” options.

  - Improved name of temporary file used in NFS-safe unlink.

Contributors (in alphabetical order) to this release:

  - Alexander Korsunsky
  - Joel Rosdahl

Thanks!

-- Joel