Fix wrong printf format string
Fix wrong printf format string

This fixes build in 32 bits machines.

lucasdemarchi/kmod,lpereira/kmod,pmmccorm/kmod,lucasdemarchi/kmod,pmmccorm/kmod,Distrotech/kmod,lpereira/kmod,lucasdemarchi/kmod,Distrotech/kmod,lpereira/kmod,pmmccorm/kmod,Distrotech/kmod