Fix various Findbugs warnings:

Matthew Swift

25.08.2014 77b43a1d03725669362ff6b4740b8650770a2efb

 opendj-ldap-toolkit/src/main/java/com/forgerock/opendj/ldap/tools/PerformanceRunner.java

@@ -48,6 +48,7 @@
import org.forgerock.opendj.ldap.ResultHandler;
import org.forgerock.opendj.ldap.responses.ExtendedResult;
import org.forgerock.opendj.ldap.responses.Result;
import org.forgerock.util.Utils;

import com.forgerock.opendj.ldap.tools.AuthenticatedConnectionFactory.AuthenticatedConnection;
import com.forgerock.opendj.util.StaticUtils;
@@ -858,7 +859,7 @@
            stopRequested = true;
            app.println(LocalizableMessage.raw(e.getResult().getDiagnosticMessage()));
        } finally {
            StaticUtils.closeSilently(connections);
            Utils.closeSilently(connections);
        }

        return 0;