Fix encoding.

Assets/Cryville/Common/Math/CubicBezier.cs

@@ -1,4 +1,4 @@
-using SMath = System.Math;
+using SMath = System.Math;
 
 namespace Cryville.Common.Math {
 	// Ported from https://github.com/arian/cubic-bezier/blob/master/index.js

Assets/Cryville/Common/Math/FractionUtils.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace Cryville.Common.Math {
 	/// <summary>

Assets/Cryville/Common/Math/SquareMatrix.cs

@@ -1,4 +1,4 @@
-using UnsafeIL;
+using UnsafeIL;
 
 namespace Cryville.Common.Math {
 	/// <summary>