urngd: 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>

diff --git a/package/system/urngd/patches/001-fix-compile.patch b/package/system/urngd/patches/001-fix-compile.patch
new file mode 100644 (file)
index 0000000..c9ab685
--- /dev/null
+++ b/package/system/urngd/patches/001-fix-compile.patch
@@ -0,0 +1,11 @@
+--- a/urngd.c
++++ b/urngd.c
+@@ -114,7 +114,7 @@ static size_t gather_entropy(struct urng
+ 
+       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 %db expected\n",
+                     ret, sizeof(buf));
+       } else {
+               ret = sizeof(buf);