From 7a2a0c016382ea40a1f8b0216ee944691b99ee87 Mon Sep 17 00:00:00 2001
From: Curtis Maloney <curtis@tinbrain.net>
Date: Wed, 4 Oct 2017 16:02:06 +1100
Subject: [PATCH] Set fallback_key to NULL by default, not ""

---
 plugins/corerouter/corerouter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/corerouter/corerouter.c b/plugins/corerouter/corerouter.c
index 4ee68c173a..ea607351a7 100644
--- a/plugins/corerouter/corerouter.c
+++ b/plugins/corerouter/corerouter.c
@@ -257,7 +257,7 @@ void uwsgi_opt_corerouter_ss(char *opt, char *value, void *cr) {
 void uwsgi_opt_corerouter_fallback_key(char *opt, char *value, void *key) {
     struct uwsgi_corerouter *ptr = (struct uwsgi_corerouter *) key;
     if (!value) {
-        ptr->fallback_key = "";
+        ptr->fallback_key = NULL;
         ptr->fallback_key_len = 0;
         return;
     }