Fix wrong type in format string

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/urngd.c b/urngd.c
index f57a162..306420a 100644
--- a/urngd.c
+++ b/urngd.c
@@ -114,7 +114,7 @@ static size_t gather_entropy(struct urngd *u)
 
 	ret = write_entropy(u, buf, sizeof(buf), ENTROPYBYTES);
 	if (sizeof(buf) != ret) {
-		ERROR("injected %lub of entropy, less then %db expected\n",
+		ERROR("injected %zub of entropy, less then %zub expected\n",
 		      ret, sizeof(buf));
 	} else {
 		ret = sizeof(buf);