Bug 1227116 - fix cmd-click on SVG links as well, r=felipe

--HG--
extra : commitid : 1O1gUOnOhXU
extra : rebase_source : f6d62372f706b7aae9328cf7a1faf95faf1b7fd0
extra : histedit_source : b70ca9d8dc1f5ca24ddec0ae2a84eac1ef2bbda1

browser/base/content/content.js

@@ -518,9 +518,10 @@ var ClickEventHandler = {
     while (node && !href) {
       if (node.nodeType == content.Node.ELEMENT_NODE) {
         href = node.getAttributeNS("http://www.w3.org/1999/xlink", "href");
-        if (href)
+        if (href) {
           baseURI = node.ownerDocument.baseURIObject;
-        break;
+          break;
+        }
       }
       node = node.parentNode;
     }