From 4a9e61e1cd76701a8a8eeb451cb309e3a4c62970 Mon Sep 17 00:00:00 2001
From: Jean-Christophe Fillion-Robin <jchris.fillionr@kitware.com>
Date: Thu, 21 Oct 2021 04:04:53 -0400
Subject: [PATCH] COMP: Fix -Wsign-compare and -Wunused-variable in
 ctkDICOMItem class

---
 Libs/DICOM/Core/ctkDICOMItem.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Libs/DICOM/Core/ctkDICOMItem.cpp b/Libs/DICOM/Core/ctkDICOMItem.cpp
index ea8b11a68f..6df535f420 100644
--- a/Libs/DICOM/Core/ctkDICOMItem.cpp
+++ b/Libs/DICOM/Core/ctkDICOMItem.cpp
@@ -427,9 +427,8 @@ QString ctkDICOMItem::Decode( const DcmTag& tag, const OFString& raw ) const
       std::cerr << "DICOM dataset contains some encoding that we never thought we would see (" << d->m_SpecificCharacterSet.toStdString() << "). Using ASCII encoding." << std::endl;
       // Replace non-ASCII characters by "?" to avoid decoding errors and random special characters appearing in strings.
       QString asciiString;
-      for (int i = 0; i < raw.length(); i++)
+      for (size_t i = 0; i < raw.length(); i++)
       {
-        int ch = raw[i];
         if (32 <= raw[i] && raw[i] < 128)
         {
           asciiString += raw[i];