Submitted by: Tobias Lidskog <tobiaslidskog@mac.com>
Reviewed by: eseidel
        * kcanvas/KCanvasCreator.cpp:
        (KCanvasCreator::createCanvasPathData):
        * kcanvas/device/quartz/KRenderingDeviceQuartz.mm:
        (KRenderingDeviceQuartz::contextForImage):
        * kcanvas/device/quartz/KRenderingPaintServerGradientQuartz.mm:
        (KRenderingPaintServerGradientQuartz::updateQuartzGradientCache):
        * ksvg2/svg/SVGDocumentImpl.cpp:
        (SVGDocumentImpl::~SVGDocumentImpl):
        Fixed several leaks.
        http://bugzilla.opendarwin.org/show_bug.cgi?id=4868


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@10480 268f45cc-cd09-0410-ab3c-d52691b4dbfc