Bug 1576696 - Add a '0x' prefix to hex pointer values in logging nodes. r=Jamie

Differential Revision: https://phabricator.services.mozilla.com/D43485

--HG--
extra : moz-landing-system : lando

accessible/base/Logging.cpp

@@ -358,7 +358,7 @@ static void DescribeNode(nsINode* aNode, nsAString& aOutDescription) {
     return;
   }
 
-  aOutDescription.AppendPrintf("%p, ", (void*)aNode);
+  aOutDescription.AppendPrintf("0x%p, ", (void*)aNode);
   aOutDescription.Append(aNode->NodeInfo()->QualifiedName());
 
   if (!aNode->IsElement()) {