From 6353f71e28a5367ed6d513106c358863ce691eac Mon Sep 17 00:00:00 2001
From: ruffson <ruffson@mailbox.org>
Date: Sat, 26 Sep 2020 17:14:17 +0200
Subject: [PATCH] Satisfy the borrow checker

---
 src/decoder/stream.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/decoder/stream.rs b/src/decoder/stream.rs
index c538b94..022318b 100644
--- a/src/decoder/stream.rs
+++ b/src/decoder/stream.rs
@@ -356,7 +356,8 @@ impl JpegReader {
         match jpeg_tables {
             Some(tables) => {
                 let mut jpeg_data = tables.clone();
-                jpeg_data.truncate(jpeg_data.len() - 2);
+                let truncated_length = jpeg_data.len() - 2;
+                jpeg_data.truncate(truncated_length);
                 jpeg_data.extend_from_slice(&mut segment[2..]);
 
                 Ok(JpegReader {