Applying difference patches to sudo

[Todd C. Miller]

Sounds like your sudo-1.6.3 directory has a modified version of
sudo (possibly with other patches applied?).
Patch should give output similar to this:

xerxes [sudo-1.6.3] % patch -p1 <  ../sudo-1.6.3p7.patch
patching file `CHANGES'
patching file `alloc.c'
patching file `auth/sudo_auth.c'
patching file `check.c'
patching file `defaults.c'
patching file `getspwuid.c'
patching file `logging.c'
patching file `parse.c'
patching file `sudo.c'
patching file `sudo.h'
patching file `tgetpass.c'
patching file `version.h'
patching file `visudo.c'

I just tested this using sudo-1.6.3p7.patch.gz from the sudo ftp site.

 - todd