Fix a crash in the inventory code

indra/newview/llinventorybridge.cpp

@@ -1058,7 +1058,7 @@ void LLInvFVBridge::getClipboardEntries(bool show_asset_id,
 		}
 	}
 
-	if (obj->getType() != LLAssetType::AT_CATEGORY)
+	if (obj && obj->getType() != LLAssetType::AT_CATEGORY)
 	{
 		items.push_back(std::string("Paste Separator"));
 	}