git-gui: Allow the user to copy name of the file in the diff viewer.
tree0a6a1e1b5a4a1d01bd4dc1c0db4950f1e641df75
-rw-r--r-- 1234 TODO
lrwxrwxrwx 7 git-citool -> git-gui
-rwxr-xr-x 62357 git-gui