RFR 8005556: java/net/Socks/SocksV4Test.java is missing @run tag

[Chris Hegarty]

Trivially ( and embarrassingly ), reinstate the @run tag to SocksV4Test. 
I inadvertently removed it during the changes for 8004925.

diff -r d9cab18f326a test/java/net/Socks/SocksV4Test.java
--- a/test/java/net/Socks/SocksV4Test.java      Wed Dec 26 10:08:36 2012 
-0500
+++ b/test/java/net/Socks/SocksV4Test.java      Fri Dec 28 09:34:59 2012 
+0000
@@ -26,6 +26,7 @@
  * @bug 4727547
  * @summary SocksSocketImpl throws NullPointerException
  * @build SocksServer
+ * @run main SocksV4Test
  */

-Chris.