From 08b56fe1a4e41861da2234888c79fdd7a5865a2b Mon Sep 17 00:00:00 2001
From: Marek Bel <marek.bel@posta.cz>
Date: Wed, 25 Jul 2018 15:51:00 +0200
Subject: [PATCH] Fix compiler warning sketch/cardreader.cpp:706:25: warning:
 comparison between signed and unsigned integer expressions [-Wsign-compare].

Remove redundant and masked int d variable.
Fix indentation of presort() to make it clear, that it is not part of for loop.
---
 Firmware/cardreader.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/Firmware/cardreader.cpp b/Firmware/cardreader.cpp
index e59b964c..82312efb 100644
--- a/Firmware/cardreader.cpp
+++ b/Firmware/cardreader.cpp
@@ -702,11 +702,12 @@ void CardReader::updir()
   {
     --workDirDepth;
     workDir = workDirParents[0];
-	int d;
-    for (int d = 0; d < workDirDepth; d++)
-      workDirParents[d] = workDirParents[d+1];
+    for (unsigned int d = 0; d < workDirDepth; d++)
+    {
+        workDirParents[d] = workDirParents[d+1];
+    }
 	#ifdef SDCARD_SORT_ALPHA
-		presort();
+    presort();
 	#endif
   }
 }