Fix incorrect namespace returned for EnvDTE.CodeType.

The last part of the namespace was being returned by CodeNamespace.Name for a CodeType instead of the fully qualified name.

src/AddIns/Misc/PackageManagement/Project/Src/EnvDTE/CodeType.cs

@@ -67,7 +67,7 @@ namespace ICSharpCode.PackageManagement.EnvDTE
 		}
 		
 		public virtual CodeNamespace Namespace {
-			get { return new CodeNamespace(ProjectContent, Class.Namespace); }
+			get { return new FileCodeModelCodeNamespace(ProjectContent, Class.Namespace); }
 		}
 		
 		public virtual ProjectItem ProjectItem {

src/AddIns/Misc/PackageManagement/Test/Src/EnvDTE/CodeClass2Tests.cs

@@ -269,6 +269,19 @@ namespace PackageManagement.Tests.EnvDTE
 			Assert.AreEqual("MyNamespace.Test", codeNamespace.FullName);
 		}
 		
+		[Test]
+		public void Namespace_PublicClassAndNamespaceNameChecked_ReturnsFullyQualifiedClassNamespace()
+		{
+			CreateProjectContent();
+			helper.CreatePublicClass("MyNamespace.Test.MyClass");
+			helper.AddClassNamespace("MyNamespace.Test");
+			CreateClass();
+			
+			CodeNamespace codeNamespace = codeClass.Namespace;
+			
+			Assert.AreEqual("MyNamespace.Test", codeNamespace.Name);
+		}
+		
 		[Test]
 		public void PartialClasses_ClassIsNotPartial_ReturnsClass()
 		{