[SL.Core] Fixed StyleCop issues.

tests/SixLabors.Core.Tests/Memory/ArrayPoolMemoryAllocatorTests.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0.
 
 // ReSharper disable InconsistentNaming
-
 using System;
 using System.Buffers;
 using System.Runtime.CompilerServices;

tests/SixLabors.Core.Tests/Memory/SimpleGcMemoryAllocatorTests.cs

@@ -23,7 +23,7 @@ namespace SixLabors.Memory.Tests
         [InlineData(-1)]
         public void Allocate_IncorrectAmount_ThrowsCorrect_ArgumentOutOfRangeException(int length)
         {
-            var ex = Assert.Throws<ArgumentOutOfRangeException>(() => this.MemoryAllocator.Allocate<BigStruct>( length));
+            var ex = Assert.Throws<ArgumentOutOfRangeException>(() => this.MemoryAllocator.Allocate<BigStruct>(length));
             Assert.Equal("length", ex.ParamName);
         }