[BUG] Binding variable about drools-fiddle HOT 2 OPEN

//
// Drools version : 7.10.0.Final

package org.droolsfiddle;

import org.droolsfiddle.utilities.WSLogger;

global WSLogger LOGGER;

declare Fact
    value : int
end

rule "Rule"
    when
        Fact(v : value)
    then
        LOGGER.info("ERROR : " + v);
    end

// Drools version : 7.10.0.Final

package org.droolsfiddle;

import org.droolsfiddle.utilities.WSLogger;

global WSLogger LOGGER;

declare Fact
    value : int
end

rule "Rule"
    when
        Fact(v : value, v == 0)
    then
        LOGGER.info("NO ERROR :" );
    end