$OpenBSD: patch-src_util_cpp,v 1.1 2017/05/07 22:10:12 espie Exp $
"" is a const char *

Index: src/util.cpp
--- src/util.cpp.orig
+++ src/util.cpp
@@ -255,8 +255,8 @@ static void ResetParameter();
 // string parameters
 
 typedef struct{
-  char *name;
-  char *proto;
+  const char *name;
+  const char *proto;
   string value;
 }RIB_PARAM_STRING;
 
