[svn:fx-trunk] 8011: Need null check when renderers are virtual

Revision: 8011

Author: aharui@adobe.com

Date: 2009-06-19 13:49:34 -0700 (Fri, 19 Jun 2009)

Log Message:

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Need null check when renderers are virtual

QE Notes: None

Doc Notes: None

Bugs: SDK-21910

Reviewer: szeto

tests: checkintests

Ticket Links:

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http://bugs.adobe.com/jira/browse/SDK-21910

Modified Paths:

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flex/sdk/trunk/frameworks/projects/flex4/src/spark/components/List.as