Change functions to ANSI C.
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 2fad1c3..6479e38 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1678,7 +1678,7 @@
 	ssl->info_callback=cb;
 	}
 
-void (*SSL_get_info_callback(SSL *ssl))()
+void (*SSL_get_info_callback(SSL *ssl))(void)
 	{
 	return((void (*)())ssl->info_callback);
 	}