Run spell check over solution.

OpenRA.Game/Primitives/RingBuffer.cs

@@ -14,7 +14,7 @@ using System.Collections.Generic;
 
 namespace OpenRA.Primitives
 {
-	/// <summary>Fixed size rorating buffer backed by an array.</summary>
+	/// <summary>Fixed size rotating buffer backed by an array.</summary>
 	public class RingBuffer<T> : ICollection<T>, IEnumerable<T>
 	{
 		readonly IComparer<T> comparer;