Unreviewed build fix after r53411 on WinCairo.

* platform/image-decoders/gif/GIFImageDecoder.cpp:
(WebCore::GIFImageDecoder::frameCount):



git-svn-id: svn://svn.chromium.org/blink/trunk@54032 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/WebCore/ChangeLog

+2010-01-28  Brent Fulgham  <bfulgham@webkit.org>
+
+        Unreviewed build fix after r53411 on WinCairo.
+
+        * platform/image-decoders/gif/GIFImageDecoder.cpp:
+        (WebCore::GIFImageDecoder::frameCount):
+
 2010-01-28  Nayan Kumar K  <nayankk@gmail.com>
 
         Reviewed by Laszlo Gombos.

third_party/WebKit/WebCore/platform/image-decoders/gif/GIFImageDecoder.cpp

@@ -81,7 +81,7 @@ size_t GIFImageDecoder::frameCount()
         // This function may fail, but we want to keep any partial data it may
         // have decoded, so don't mark it is invalid. If there is an overflow
         // or some serious error, m_failed will have gotten set for us.
-        reader.read((const unsigned char*)m_data->data(), m_data->size(), GIFFrameCountQuery, -1);
+        reader.read((const unsigned char*)m_data->data(), m_data->size(), GIFFrameCountQuery, static_cast<unsigned>(-1));
         m_frameCountValid = true;
         m_frameBufferCache.resize(reader.images_count);
     }