From 450b89e63c50bd65be16e4d6ff119ed08b9358f6 Mon Sep 17 00:00:00 2001
From: AnHardt <github@kitelab.de>
Date: Wed, 18 Mar 2015 10:31:34 +0100
Subject: [PATCH] Negative times are unlikly

While bunting an other bug I stumbled across:
ultralcd.cpp:1250: warning: comparison between signed and unsigned
integer expressions
Changed to the type of lcd_next_update_millis.
---
 Marlin/ultralcd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index 8575abbd0..15267a1f1 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -1246,7 +1246,7 @@ void lcd_update() {
     }
   #endif//CARDINSERTED
 
-  long ms = millis();
+  uint32_t ms = millis();
   if (ms > lcd_next_update_millis) {
 
     #ifdef ULTIPANEL