--- Source/WebCore/platform/LocalizedStrings.cpp.orig	2020-11-20 14:35:13.139811798 +0100
+++ Source/WebCore/platform/LocalizedStrings.cpp	2020-11-20 12:26:38.555816396 +0100
@@ -33,6 +33,8 @@
 #include <wtf/text/CString.h>
 #include <wtf/unicode/CharacterNames.h>
 
+#include <stdio.h>
+
 #if USE(CF)
 #include <wtf/RetainPtr.h>
 #endif