Fixed a crash in SHK.m, line 111#153

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CocoaBob wants to merge 1 commit intoideashower:masterfrom

CocoaBob:master

Commits on Jan 23, 2011

In fact, we can't simply take the index 0 subview, it's always wrong in my project. Finally, I found a way to fix this issue, just add another check before the old code.
CocoaBob
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