Snap for 4393550 from 86d9373768e685c98324f67e3c9a0cac75c9f56b to pi-release

Change-Id: I9b84ccdcf131b22ec70fb3399a4e2de8668ba5e7
diff --git a/tools/ese_relay/ese_relay.c b/tools/ese_relay/ese_relay.c
index 1bfe82a..e57a34f 100644
--- a/tools/ese_relay/ese_relay.c
+++ b/tools/ese_relay/ese_relay.c
@@ -70,7 +70,6 @@
 
 int main() {
   int server_fd = setup_socket(LOG_TAG);
-  int client_fd = -1;
   struct EseInterface ese;
   ese_relay_init(&ese);