locks: print unsigned ino in /proc/locks

locks: print unsigned ino in /proc/locks

BugLink: https://bugs.launchpad.net/bugs/1860602
commit 98ca480a8f22fdbd768e3dad07024c8d4856576c upstream.

An ino is unsigned, so display it as such in /proc/locks.

Cc: stable@vger.kernel.org
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>