From 05d8aa50226a8ccd771d79dd58e979e72b4e8f5e Mon Sep 17 00:00:00 2001
From: Bill Somerville <bill@classdesign.com>
Date: Wed, 9 Jun 2021 13:12:25 +0100
Subject: [PATCH] Repair a minor defect in callsign input validation

---
 validators/CallsignValidator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/validators/CallsignValidator.cpp b/validators/CallsignValidator.cpp
index d6e1bb2c9..d6aba538c 100644
--- a/validators/CallsignValidator.cpp
+++ b/validators/CallsignValidator.cpp
@@ -14,7 +14,7 @@ auto CallsignValidator::validate (QString& input, int& pos) const -> State
       input.remove (0, 1);
       if (pos > 0) --pos;
     }
-  while (input.size () && input[input.size ()].isSpace ())
+  while (input.size () && input[input.size () - 1].isSpace ())
     {
       if (pos > input.size ()) --pos;
       input.chop (1);