wroute is required to avoid a crash at runtime as a client
Reported upstream https://github.com/zehome/MLVPN/issues/152

Index: src/privsep.c
--- src/privsep.c.orig
+++ src/privsep.c
@@ -190,7 +190,7 @@ priv_init(char *argv[], char *username)
         close(socks[0]);
         priv_fd = socks[1];
 #ifdef HAVE_PLEDGE
-        if (pledge("stdio inet unix recvfd", NULL) != 0) {
+        if (pledge("stdio inet unix recvfd wroute", NULL) != 0) {
             err(1, "pledge");
         }
 #endif