http://bugs.gentoo.org/481688
http://trac.webkit.org/changeset/166490/trunk/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp

--- a/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp
+++ b/Source/WebCore/platform/image-decoders/jpeg/JPEGImageDecoder.cpp
@@ -334,5 +334,5 @@
         case JPEG_HEADER:
             // Read file parameters with jpeg_read_header().
-            if (jpeg_read_header(&m_info, true) == JPEG_SUSPENDED)
+            if (jpeg_read_header(&m_info, TRUE) == JPEG_SUSPENDED)
                 return false; // I/O suspension.
 
@@ -420,7 +420,7 @@
             m_info.dct_method = dctMethod();
             m_info.dither_mode = ditherMode();
-            m_info.do_fancy_upsampling = doFancyUpsampling();
-            m_info.enable_2pass_quant = false;
-            m_info.do_block_smoothing = true;
+            m_info.do_fancy_upsampling = doFancyUpsampling() ? TRUE : FALSE;
+            m_info.enable_2pass_quant = FALSE;
+            m_info.do_block_smoothing = TRUE;
 
             // Start decompressor.
@@ -573,5 +573,5 @@
     // called, then we have hit the end of the buffer.  A return value of false
     // indicates that we have no data to supply yet.
-    return false;
+    return FALSE;
 }