Fixed typo.

Whitespace fixes.

src/Avalonia.Base/Data/Core/Plugins/InpcPropertyAccessorPlugin.cs

@@ -14,7 +14,7 @@ namespace Avalonia.Data.Core.Plugins
     {
         private readonly Dictionary<(Type, string), PropertyInfo> _propertyLookup =
             new Dictionary<(Type, string), PropertyInfo>();
-        
+
         /// <inheritdoc/>
         public bool Match(object obj, string propertyName) => GetFirstPropertyWithName(obj.GetType(), propertyName) != null;
 
@@ -51,7 +51,7 @@ namespace Avalonia.Data.Core.Plugins
         private PropertyInfo GetFirstPropertyWithName(Type type, string propertyName)
         {
             var key = (type, propertyName);
-            
+
             if (!_propertyLookup.TryGetValue(key, out PropertyInfo propertyInfo))
             {
                 propertyInfo = TryFindAndCacheProperty(type, propertyName);
@@ -59,7 +59,7 @@ namespace Avalonia.Data.Core.Plugins
 
             return propertyInfo;
         }
-        
+
         private PropertyInfo TryFindAndCacheProperty(Type type, string propertyName)
         {
             PropertyInfo found = null;
@@ -90,7 +90,7 @@ namespace Avalonia.Data.Core.Plugins
             private readonly PropertyInfo _property;
             private bool _eventRaised;
 
-            public Accessor(WeakReference<object> reference,  PropertyInfo property)
+            public Accessor(WeakReference<object> reference, PropertyInfo property)
             {
                 Contract.Requires<ArgumentNullException>(reference != null);
                 Contract.Requires<ArgumentNullException>(property != null);

tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/ResourceIncludeTests.cs

@@ -5,7 +5,7 @@ using Avalonia.Media;
 using Avalonia.UnitTests;
 using Xunit;
 
-namespace Avalonia.Markup.Xaml.UnitTests.MakrupExtensions
+namespace Avalonia.Markup.Xaml.UnitTests.MarkupExtensions
 {
     public class ResourceIncludeTests : XamlTestBase
     {

tests/Avalonia.Markup.Xaml.UnitTests/StyleIncludeTests.cs

@@ -12,7 +12,7 @@ namespace Avalonia.Markup.Xaml.UnitTests
         {
             var styleXaml = @"
 <Style xmlns='https://github.com/avaloniaui'
-                    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
+       xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'>
     <Style.Resources>
         <StaticResource x:Key='brush' ResourceKey='missing' />
     </Style.Resources>