Fix bug when $indent have some string

assuming $ident = '¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨';
before:
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨<script type="text/javascript">
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨    //<!--
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨    Some script here...¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
    //-->
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨</script>

now:
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨<script type="text/javascript">
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨    //<!--
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨    Some script here...
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨    //-->
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨</script>
Merge branch 'master' of git://github.com/wryck7/zf2 into hotfix/3618
Merge branch 'hotfix/3618'

Close #3618