Also the other type is worng and causes compile problems on ARM64
platforms.
Fixes: 9b53201d9c53 ("urngd: Fix wrong type in format string")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 1ae1276eab1903d194c1a0f8037e7f44304568b1)