git-gui: fix diff for partially staged submodule changes
-rw-r--r-- 84 .gitattributes
-rw-r--r-- 97 .gitignore
-rwxr-xr-x 1813 GIT-VERSION-GEN
-rw-r--r-- 11701 Makefile
-rwxr-xr-x 1289 git-gui--askpass
-rwxr-xr-x 86431 git-gui.sh
drwxr-xr-x - lib
drwxr-xr-x - macosx
drwxr-xr-x - po
drwxr-xr-x - windows