blind fix for wxGIFDecoder::ReadGIF
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12608 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -653,6 +653,9 @@ int wxGIFDecoder::ReadGIF()
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/* try to read to the end of the stream */
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while (type != 0x3B)
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{
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if (!m_f->IsOk())
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return wxGIF_TRUNCATED;
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type = (unsigned char)m_f->GetC();
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if (type == 0x21)
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