Bug 573698 - When looking for tooltips, don't look at SVG elements if SVG is disabled. r=gavin

--HG--
extra : rebase_source : 2700089c813b5c7976855f9ed09caf5cb0a56fc2

browser/base/content/browser.js

@@ -2673,7 +2673,11 @@ function FillInHTMLTooltip(tipElement)
   var titleText = null;
   var XLinkTitleText = null;
   var SVGTitleText = null;
+#ifdef MOZ_SVG
   var lookingForSVGTitle = true;
+#else
+  var lookingForSVGTitle = false;
+#endif // MOZ_SVG
   var direction = tipElement.ownerDocument.dir;
 
   while (!titleText && !XLinkTitleText && !SVGTitleText && tipElement) {