pr_log: Fix a warning building under clang

[ccan] / ccan / pr_log / _info

diff --git a/ccan/pr_log/_info b/ccan/pr_log/_info
index 7f4feb646508d8e0c43483a310141ac872679731..22ccdfc4a509ed911dc5c914ca8b0c2e7d490a53 100644 (file)
--- a/ccan/pr_log/_info
+++ b/ccan/pr_log/_info
@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdio.h>
 #include "config.h"
 
 /**