bring back missing exception callstack display.

framework/yii/views/errorHandler/exception.php

@@ -366,9 +366,9 @@ pre .diff .change{
 	<div class="call-stack">
 		<ul>
 			<?php echo $handler->renderCallStackItem($exception->getFile(), $exception->getLine(), null, null, 1); ?>
-			<?php for ($i = 1, $trace = $exception->getTrace(), $length = count($trace); $i < $length; ++$i): ?>
+			<?php for ($i = 0, $trace = $exception->getTrace(), $length = count($trace); $i < $length; ++$i): ?>
 				<?php echo $handler->renderCallStackItem(@$trace[$i]['file'] ?: null, @$trace[$i]['line'] ?: null,
-					@$trace[$i]['class'] ?: null, @$trace[$i]['function'] ?: null, $i + 1); ?>
+					@$trace[$i]['class'] ?: null, @$trace[$i]['function'] ?: null, $i + 2); ?>
 			<?php endfor; ?>
 		</ul>
 	</div>