The patch is for fsck.cramfs.c included in the util-linux package. You can find the sources
http://packages.debian.org/es/sid/util-linux . Is a big package to only use the cramfs files.
Here you can find version 1.2 with patch for cramfstools.
http://www.megaupload.com/?d=LX34XPF5
Bye
QBSpin