further fixes in gcc land

indra/llui/lllayoutstack.cpp

@@ -792,7 +792,7 @@ void LLLayoutStack::calcMinExtents()
 //static 
 void LLLayoutStack::updateClass()
 {
-	for (LLInstanceTracker::instance_iter it = beginInstances(); it != endInstances(); ++it)
+	for (LLInstanceTracker<LLLayoutStack>::instance_iter it = beginInstances(); it != endInstances(); ++it)
 	{
 		(*it)->updateLayout();
 	}

indra/llui/lllayoutstack.h

@@ -38,7 +38,7 @@
 
 class LLPanel;
 
-class LLLayoutStack : public LLView, LLInstanceTracker<LLLayoutStack>
+class LLLayoutStack : public LLView, public LLInstanceTracker<LLLayoutStack>
 {
 public:
 	struct Params : public LLInitParam::Block<Params, LLView::Params>