Merge pull request #9100 from mono/xammac-font

[Windows] Fix build due to Xamarin.Mac reference

Author: jtorres

main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Fonts/FontChooserPanelWidget.cs

@@ -29,11 +29,14 @@
 using MonoDevelop.Components.AtkCocoaHelper;
 using Gtk;
 using System.Diagnostics;
-using AppKit;
-using Foundation;
 using MonoDevelop.Components;
 using Xwt.Drawing;
 
+#if MAC
+using AppKit;
+using Foundation;
+#endif
+
 namespace MonoDevelop.Ide.Fonts
 {
 	public partial class FontChooserPanelWidget : Gtk.Bin

main/tests/MonoDevelop.Core.Tests/MonoDevelop.Core.Tests.csproj

@@ -20,6 +20,7 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="mscorlib" />
     <Reference Include="System.Net.Http" />
+    <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.Configuration" />
     <!-- when building with xbuild on Unix, $(MSBuildToolsPath) is like `$prefix/lib/mono/xbuild/*/bin`
     when building with msbuild on Unix, $(MSBuildToolsPath) is like `$prefix/lib/mono/msbuild/*/bin`