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>
GCC 9.1 complains about this wrong type used in the format string, fix
this to make the compiler happy.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>