From 27f9c304800b34927d2289b150705d5dfc8857bb Mon Sep 17 00:00:00 2001
From: Michael Black W9MDB <mdblack98@yahoo.com>
Date: Fri, 26 Feb 2021 11:14:29 -0600
Subject: [PATCH] Fix compilation warnings in tt550.c

---
 rigs/tentec/tt550.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rigs/tentec/tt550.c b/rigs/tentec/tt550.c
index eade26be1..517d7fe78 100644
--- a/rigs/tentec/tt550.c
+++ b/rigs/tentec/tt550.c
@@ -812,7 +812,7 @@ tt550_set_tx_mode(RIG *rig, vfo_t vfo, rmode_t mode, pbwidth_t width)
     char ttmode;
     rmode_t saved_mode;
     pbwidth_t saved_width;
-    int mdbuf_len, ttfilter, retval;
+    int mdbuf_len, ttfilter=-1, retval;
     char mdbuf[48];
 
     switch (mode)