Add missing header for gcc 4.4

diff --git a/xmltooling/encryption/Encryption.h b/xmltooling/encryption/Encryption.h
index c1fb590..dc3d2c8 100644 (file)
--- a/xmltooling/encryption/Encryption.h
+++ b/xmltooling/encryption/Encryption.h
@@ -24,6 +24,7 @@
 #define __xmltooling_encryption_h__
 
 #include <xmltooling/signature/KeyInfo.h>
+#include <cstdio>
 
 /**
  * Macro for declaring encryption builders.