Reorder MockBehavior enum values

such that the default enum value will equal `default(MockBehavior)`.

src/Moq/MockBehavior.cs

@@ -9,20 +9,22 @@ namespace Moq
 	public enum MockBehavior
 	{
 		/// <summary>
-		/// Causes the mock to always throw 
-		/// an exception for invocations that don't have a 
-		/// corresponding setup.
+		/// Default mock behavior, which equals <see cref="Loose"/>.
 		/// </summary>
-		Strict,
+		Default = default,
+
 		/// <summary>
-		/// Will never throw exceptions, returning default  
-		/// values when necessary (null for reference types, 
+		/// Will never throw exceptions, returning default
+		/// values when necessary (null for reference types,
 		/// zero for value types or empty enumerables and arrays).
 		/// </summary>
-		Loose,
+		Loose = default,
+
 		/// <summary>
-		/// Default mock behavior, which equals <see cref="Loose"/>.
+		/// Causes the mock to always throw
+		/// an exception for invocations that don't have a
+		/// corresponding setup.
 		/// </summary>
-		Default = Loose,
+		Strict,
 	}
 }