Properly write the right header when saving a replay

The client stores the replays read from the stoc messages in the structure designed for the extended header, when writing check if the replay sent was actually using the extended header, if not, write only the base header to file

gframe/replay.cpp

@@ -80,7 +80,8 @@ void Replay::SaveReplay(const epro::path_string& name) {
 	auto replay_file = fileopen(fmt::format(EPRO_TEXT("./replay/{}.yrpX"), name).data(), "wb");
 	if(replay_file == nullptr)
 		return;
-	fwrite(&pheader, 1, sizeof(pheader), replay_file);
+	auto header_len = (pheader.base.flag & REPLAY_EXTENDED_HEADER) ? sizeof(ExtendedReplayHeader) : sizeof(ReplayHeader);
+	fwrite(&pheader, 1, header_len, replay_file);
 	fwrite(comp_data.data(), 1, comp_data.size(), replay_file);
 	fclose(replay_file);
 }