Don't delete objects allocated in renderdoc module outside it.

qrenderdoc/Windows/BufferViewer.cpp

@@ -2759,7 +2759,7 @@ void BufferViewer::debugVertex()
 
     if(trace->states.count == 0)
     {
-      delete trace;
+      r->FreeTrace(trace);
 
       // if we couldn't debug the pixel on this event, open up a pixel history
       GUIInvoke::call([this]() {