fix trends not displayed correctly #531
                
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PhpMetrics v2.9.1
Description:
Fixing trends not being displayed correctly.
Current behavior:
The trends in the html report will always show the current value and a trend of minus that value.
Correct behavior:
show actual trend change
Root cause:
Hal\Report\Html\Reporter.php:255checks forisset($this->sum->$type->$key)which will never be set, resulting in$newValuebeing assigned 0, causing the trend to be0 - $oldValue.Fix:
Changing the lookup to
$this->$type->$keyfrom$this->sum->$type->$keychecks for the correct variable.