[CHANGE] change src/diff.c for mitchell
-rw-r--r-- 190 .gitignore
-rw-r--r-- 17987 COPYING
-rwxr-xr-x 3635 build
drwxr-xr-x - doc
drwxr-xr-x - ruby
drwxr-xr-x - src
drwxr-xr-x - test