fix broken links (dotnet#3663)

Author: mairaw

xml/System.IO/MemoryStream.xml

@@ -2034,13 +2034,13 @@ The pending operation does not support writing.</exception>
 This method returns `true` when the the underlying buffer is marked as exposable, which happens when the current `MemoryStream` instance is created with:
 
 - <xref:System.IO.MemoryStream.%23ctor>.
-- <xref:System.IO.MemoryStream.%23ctor%28System.Int32%29).
-- <xref:System.IO.MemoryStream.%23ctor%28System.Byte%5B%5D,System.Int32,System.Int32,System.Boolean,System.Boolean%29) with the parameter `publiclyVisible` set to `true`.
+- <xref:System.IO.MemoryStream.%23ctor(System.Int32)>.
+- <xref:System.IO.MemoryStream.%23ctor(System.Byte[],System.Int32,System.Int32,System.Boolean,System.Boolean)> with the parameter `publiclyVisible` set to `true`.
 
 The underlying buffer will not be exposed if the current `MemoryStream` instance is created with:
 
-- <xref:System.IO.MemoryStream.%23ctor%28System.Byte%5B%5D,System.Boolean%29).
-- <xref:System.IO.MemoryStream.%23ctor%28System.Byte%5B%5D,System.Int32,System.Int32,System.Boolean,System.Boolean%29) with the parameter `publiclyVisible` set to `false`.
+- <xref:System.IO.MemoryStream.%23ctor(System.Byte[],System.Boolean)>
+- <xref:System.IO.MemoryStream.%23ctor(System.Byte[],System.Int32,System.Int32,System.Boolean,System.Boolean)> with the parameter `publiclyVisible` set to `false`.
 
           ]]></format>
         </remarks>