Added .NET 4 security attribute.

openjdk/java/nio/Bits.java

@@ -762,6 +762,7 @@ class Bits {                            // package-private
      * @param   length
      *          number of bytes to copy
      */
+    @cli.System.Security.SecurityCriticalAttribute.Annotation
     static void copyFromArray(Object src, long srcBaseOffset, long srcPos,
                               long dstAddr, long length)
     {