Index: gnutls-2.3.11/doc/examples/ex-cxx.cpp
===================================================================
--- gnutls-2.3.11.orig/doc/examples/ex-cxx.cpp
+++ gnutls-2.3.11/doc/examples/ex-cxx.cpp
@@ -4,6 +4,7 @@
 #endif
 #include <iostream>
 #include <stdexcept>
+#include <cstring>
 #include <gnutls/gnutls.h>
 #include <gnutls/gnutlsxx.h>