Update all years in debian/copyright.
-rw-r--r-- 4 .gitignore
-rw-r--r-- 35147 COPYING
-rw-r--r-- 4078 ChangeLog
-rw-r--r-- 4283 SConstruct
drwxr-xr-x - debian
drwxr-xr-x - dump
drwxr-xr-x - fsck
drwxr-xr-x - label
drwxr-xr-x - libexfat
drwxr-xr-x - mkfs