git-gui: Clear diff from viewer if the side changed.
treef5edb4c6dd9223bf800040d4f8609fc8bf00663e
-rw-r--r-- 36 .gitignore
-rwxr-xr-x 745 GIT-VERSION-GEN
-rw-r--r-- 1200 Makefile
-rw-r--r-- 1948 TODO
-rwxr-xr-x 100794 git-gui.sh