--- includes/gnutls/extra.h.orig	2005-01-24 09:02:43.587224432 +0100
+++ includes/gnutls/extra.h	2005-01-24 09:03:11.704949888 +0100
@@ -28,6 +28,10 @@
 
 #define LIBGNUTLS_EXTRA_VERSION LIBGNUTLS_VERSION
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Openpgp certificate stuff 
  */
 
@@ -76,4 +80,8 @@
  */
 const char* gnutls_extra_check_version( const char *req_version);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif