--git option does not work in windows

[BGodding]

Trying to use the --git options in windows results in an "Unable to read:" error.

I am testing on Windows 10 Pro x64

C:\Users\BGodd\Documents\smartplot>cloc --version
1.74
C:\Users\BGodd\Documents\smartplot>cloc --diff --git f3bd719 05eda95
       0 text files.
       0 text files.
       0 files ignored.

2 errors:
Unable to read:  f3bd719
Unable to read:  05eda95
Nothing to count.

C:\Users\BGodd\Documents\smartplot>cloc --diff f3bd719 05eda95
       0 text files.
       0 text files.
       0 files ignored.

2 errors:
Unable to read:  f3bd719
Unable to read:  05eda95
Nothing to count.

C:\Users\BGodd\Documents\smartplot>git diff --stat f3bd719 05eda95
 src/datahandlers/csv_handler.cpp             |  5 +-
 src/datahandlers/csv_handler.h               | 87 ++++++++++++++--------------
 src/datahandlers/gdl_handler.cpp             | 47 +++++++--------
 src/datahandlers/gdl_handler.h               |  3 -
 src/datahandlers/usb_log_bitpacked_handler.h |  3 -
 src/datahandlers/usb_log_data_handler.cpp    | 75 +++++++++++-------------
 src/datahandlers/usb_log_data_handler.h      |  4 --
 src/datahandlers/usb_log_event_handler.cpp   | 28 ++++-----
 src/datahandlers/usb_log_event_handler.h     |  3 -
 src/tabs/plot/axis_handler.cpp               | 45 ++++----------
 src/tabs/plot/axis_handler.h                 |  2 +-
 src/tabs/plot/plot_handler.cpp               |  2 +-
 src/utility.cpp                              | 17 +-----
 src/utility.h                                |  1 -
 14 files changed, 121 insertions(+), 201 deletions(-)

The same commands in OS X and Ubuntu works great.

[AlDanial]

Support added with commit 37c3366; PR #253 . This feature requires http://gitforwindows.org/