Add StructLayout attribute to struct Rect explicitly

When using property setter in struct type without StructLayout attribute,
mcs(Mono C# Compiler) generates incorrect IL.
https://bugzilla.xamarin.com/show_bug.cgi?id=55604

Change-Id: Ib77ae509acc076518ad5df3d5138f7b1be1ae829

diff --git a/ElmSharp/ElmSharp/Rect.cs b/ElmSharp/ElmSharp/Rect.cs
old mode 100755 (executable)
new mode 100644 (file)
index c4b7200..2f7a544
--- a/ElmSharp/ElmSharp/Rect.cs
+++ b/ElmSharp/ElmSharp/Rect.cs
@@ -15,12 +15,14 @@
  */
 
 using System;
+using System.Runtime.InteropServices;
 
 namespace ElmSharp
 {
     /// <summary>
     /// The Rect is a struct that represent rectangluar space.
     /// </summary>
+    [StructLayout(LayoutKind.Sequential)]
     public struct Rect : IEquatable<Rect>
     {
         /// <summary>