Avoid re-requesting object-inventory items that already have a pending request.

indra/newview/llviewerobject.cpp

@@ -2934,7 +2934,22 @@ void LLViewerObject::updateInventory(
 	bool is_new)
 {
 	LLMemType mt(LLMemType::MTYPE_OBJECT);
-	
+
+	std::list<LLUUID>::iterator begin = mPendingInventoryItemsIDs.begin();
+	std::list<LLUUID>::iterator end = mPendingInventoryItemsIDs.end();
+
+	bool is_fetching = std::find(begin, end, item->getAssetUUID()) != end;
+	bool is_fetched = getInventoryItemByAsset(item->getAssetUUID()) != NULL;
+
+	if (is_fetched || is_fetching)
+	{
+		return;
+	}
+	else
+	{
+		mPendingInventoryItemsIDs.push_back(item->getAssetUUID());
+	}
+
 	// This slices the object into what we're concerned about on the
 	// viewer. The simulator will take the permissions and transfer
 	// ownership.