RFR: 7011441: ./jndi/ldap/Connection.java needs to avoid spurious wakeup

[Ivan Gerasimov]

Hello!

This is a simple fix, which should prevent from early timeout in 
sun.jndi.ldap.Connection.readReply().
Would you please help review it?
BUG: https://bugs.openjdk.java.net/browse/JDK-7011441
WEBREV: http://cr.openjdk.java.net/~igerasim/7011441/00/webrev/

Sincerely yours,
Ivan