title: RollingFileAppender (Log4net) is not accepting the filenamePattern
body: <p>I expect to have 10 files called 
  Console.1.log, 
  Console.2.log,
  Console.3.log... etc.</p>
  
  <p>What i got is: Console.log.1, Console.log.2... same as when i don't put any settings...</p>
  
  <p>I've tried to change the namespace of </p>
  
  <pre><code>`&lt;appender name="FileAppender" type="log4net.Appender.RollingFileAppender"&gt;
    &lt;file value="${APPDATA}\\product\\Console.log" /&gt;
    &lt;appendToFile value="true" /&gt;
    &lt;rollingStyle value="Size" /&gt;
    &lt;MaxSizeRollBackups value="10" /&gt;
    &lt;MaximumFileSize value="1KB" /&gt;
    &lt;staticLogFileName value="true" /&gt;
    &lt;layout type="log4net.Layout.PatternLayout" &gt;
        &lt;conversionPattern value="%date{yyyy-MM-dd HH:mm:ss} %-5level %logger %message%newline" /&gt;
    &lt;/layout&gt;
    &lt;threshold value="DEBUG" /&gt;
  
  &lt;rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy"&gt;
      &lt;param name="activeFileName" value="${APPDATA}\\product\\Console.log"/&gt;
      &lt;param name="fileNamePattern" value="${APPDATA}\\product\\Console.${%i}.log"/&gt;
      &lt;param name="maxIndex" value="0"/&gt;
      &lt;param name="minIndex" value="10"/&gt;
  &lt;/rollingPolicy&gt;`
  </code></pre>