Improve font kerning

This is the workaround proposed in comment #7 of webkit bug 92363:
https://bugs.webkit.org/show_bug.cgi?id=93263#c7

Author: Trevor North

src/3rdparty/webkit/Source/WebCore/platform/graphics/qt/FontPlatformDataQt.cpp

@@ -73,7 +73,8 @@ FontPlatformData::FontPlatformData(const FontDescription& description, const Ato
     font.setLetterSpacing(QFont::AbsoluteSpacing, letterSpacing);
     const bool smallCaps = description.smallCaps();
     font.setCapitalization(smallCaps ? QFont::SmallCaps : QFont::MixedCase);
-    font.setStyleStrategy(QFont::ForceIntegerMetrics);
+    // Commented out to work around webkit bug 93263
+    //font.setStyleStrategy(QFont::ForceIntegerMetrics);
 
     m_data->bold = font.bold();
     // WebKit allows font size zero but QFont does not. We will return