git-gui: Revert "Don't modify CREDITS-FILE if it hasn't changed."
-rw-r--r-- 49 .gitignore
-rwxr-xr-x 1411 CREDITS-GEN
-rwxr-xr-x 1814 GIT-VERSION-GEN
-rw-r--r-- 1718 Makefile
-rwxr-xr-x 150630 git-gui.sh