Add [SecurityCritical] attributes to ISerializable.GetObjectData overrides.

(OB: Updated to fix indenting.)

Author: ngbrown

src/NHibernate/Engine/CascadeStyle.cs

@@ -93,18 +93,24 @@ public static CascadeStyle GetCascadeStyle(string cascade)
 				return style;
 		}
 
+#if NET_4_0
+		[SecurityCritical]
+#endif
 		void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
 		{
 			string alias = AliasByStyle[this];
-			info.SetType(typeof (CascadeStyleSingletonReference));
-			info.AddValue("cascadestyle", alias, typeof (string));
+			info.SetType(typeof(CascadeStyleSingletonReference));
+			info.AddValue("cascadestyle", alias, typeof(string));
 		}
 
 		[Serializable]
 		private sealed class CascadeStyleSingletonReference : IObjectReference, ISerializable
 		{
 			private readonly string _cascadeStyle;
 
+#if NET_4_0
+			[SecurityCritical]
+#endif
 			void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
 			{
 				throw new NotImplementedException("This class should not be serialized directly.");
@@ -264,6 +270,9 @@ private MultipleCascadeStyle(SerializationInfo info, StreamingContext context)
 				styles = (CascadeStyle[])info.GetValue("styles", typeof(CascadeStyle[]));
 			}
 
+#if NET_4_0
+			[SecurityCritical]
+#endif
 			void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
 			{
 				info.AddValue("styles", styles);