ENH: sync the missed codes before

Change-Id: Idc79a0fe401f1c7fbf8825a28556286089b46d54

src/slic3r/GUI/Gizmos/GLGizmoMeshBoolean.cpp

@@ -482,4 +482,4 @@ void GLGizmoMeshBoolean::generate_new_volume(bool delete_input, const TriangleMe
 }
 
 
-}}
+}}

src/slic3r/Utils/ColorSpaceConvert.cpp

@@ -3,6 +3,8 @@
 #include <algorithm>
 #include <boost/algorithm/string.hpp>
 #include <wx/colordlg.h>
+#include <cmath>
+
 const static float param_13 = 1.0f / 3.0f;
 const static float param_16116 = 16.0f / 116.0f;
 const static float Xn = 0.950456f;