bernard.xiong 5488777d55 fix event clear bug.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@7 bbd45198-f89e-11dd-88c7-29a3b14d5316
2009-07-18 10:02:12 +00:00
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2009-07-18 10:02:12 +00:00