Fix warnings

Author: florianessl

src/scene_debug.cpp

@@ -1222,7 +1222,6 @@ void Scene_Debug::UpdateInterpreterWindow(int index) {
 	lcf::rpg::SaveEventExecState state_display;
 	std::string first_line = "";
 	bool valid = false;
-	int evt_id = 0;
 
 	auto& bg_states = state_interpreter.background_states;
 
@@ -1241,7 +1240,6 @@ void Scene_Debug::UpdateInterpreterWindow(int index) {
 		for (auto& ce : Game_Map::GetCommonEvents()) {
 			if (ce.GetId() == ce_id) {
 				first_line = Debug::FormatEventName(ce);
-				evt_id = ce_id;
 				valid = true;
 				break;
 			}

src/window_interpreter.cpp

@@ -108,7 +108,7 @@ void Window_Interpreter::Refresh() {
 			max_evt_id = item.evt_id;
 		if (item.page_id > max_page_id)
 			max_page_id = item.page_id;
-		if (item.cmd_count > max_cmd_count)
+		if (static_cast<int>(item.cmd_count) > max_cmd_count)
 			max_cmd_count = item.cmd_count;
 	}