tdehtml: Prevent a crash in case of a image that is not in cache.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

tdehtml/rendering/render_image.cpp

@@ -241,7 +241,7 @@ void RenderImage::paint(PaintInfo& paintInfo, int _tx, int _ty)
                      ? m_oldImage : m_cachedImage;
 
     // paint frame around image as long as it is not completely loaded from web.
-    if (bUnfinishedImageFrame && paintInfo.phase == PaintActionForeground && cWidth > 2 && cHeight > 2 && !complete() && !i->isVectorImage()) {
+    if (bUnfinishedImageFrame && paintInfo.phase == PaintActionForeground && cWidth > 2 && cHeight > 2 && !complete() && !(i && i->isVectorImage())) {
         static TQPixmap *loadingIcon;
         TQColor bg = tdehtml::retrieveBackgroundColor(this);
         TQColor fg = tdehtml::hasSufficientContrast(Qt::gray, bg) ? Qt::gray :