Missed the `@` in a couple of code tags of SocketImpl

The fix for JDK-8224477 missed the `@` in a couple of code tags.

diff --git a/src/java.base/share/classes/java/net/SocketImpl.java b/src/java.base/share/classes/java/net/SocketImpl.java
--- a/src/java.base/share/classes/java/net/SocketImpl.java
+++ b/src/java.base/share/classes/java/net/SocketImpl.java
@@ -396,7 +396,7 @@
      *
      * @implSpec
      * The default implementation of this method first checks that the given
- * socket option {code name} is not null, then throws {@code
+ * socket option {@code name} is not null, then throws {@code
      * UnsupportedOperationException}. Subclasses should override this method
      * with an appropriate implementation.
      *
@@ -424,7 +424,7 @@
      *
      * @implSpec
      * The default implementation of this method first checks that the given
- * socket option {code name} is not null, then throws {@code
+ * socket option {@code name} is not null, then throws {@code
      * UnsupportedOperationException}. Subclasses should override this method
      * with an appropriate implementation.
      *