From 2bbd916cccccaa28a46351f16af568f8624f2e8e Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Mon, 25 Nov 2019 11:13:50 +0100
Subject: [PATCH] Fixed build on Linux

---
 src/slic3r/GUI/Mouse3DController.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/slic3r/GUI/Mouse3DController.cpp b/src/slic3r/GUI/Mouse3DController.cpp
index 39542e652..38840fbdf 100644
--- a/src/slic3r/GUI/Mouse3DController.cpp
+++ b/src/slic3r/GUI/Mouse3DController.cpp
@@ -339,11 +339,10 @@ bool Mouse3DController::connect_device()
         return false;
 
     // check time since last detection took place
-    auto now = std::chrono::high_resolution_clock::now();
-    if (std::chrono::duration_cast<std::chrono::seconds>(now - m_last_time).count() < DETECTION_TIME)
+    if (std::chrono::duration_cast<std::chrono::seconds>(std::chrono::high_resolution_clock::now() - m_last_time).count() < DETECTION_TIME)
         return false;
 
-    m_last_time = now;
+    m_last_time = std::chrono::high_resolution_clock::now();
 
     // Enumerates devices
     hid_device_info* devices = hid_enumerate(0, 0);