CLI generator didn't respect static properties.

src/Generator/Generators/CLI/CLIHeadersTemplate.cs

@@ -640,6 +640,9 @@ namespace CppSharp.Generators.CLI
             PushBlock(CLIBlockKind.Property, property);
             var type = property.QualifiedType.Visit(TypePrinter);
 
+            if (property.IsStatic)
+                Write("static ");
+
             if (property.IsIndexer)
             {
                 GenerateIndexer(property);

tests/Basic/Basic.Tests.cs

@@ -181,8 +181,7 @@ public class BasicTests : GeneratorTestFixture
     [Test]
     public void TestAttributedDelegate()
     {
-        var attributedDelegate = basic.GetAttributedDelegate();
+        var result = basic.AttributedDelegate(2);
-        var result = attributedDelegate(2);
         Assert.AreEqual(4, result);
     }