fix a bug about update with GPT partition style.

Ventoy2Disk/Ventoy2Disk/PhyDrive.c

@@ -1814,7 +1814,7 @@ int UpdateVentoy2PhyDrive(PHY_DRIVE_INFO *pPhyDrive)
 
     Log("Lock volume for update .......................... ");
     hVolume = INVALID_HANDLE_VALUE;
-    Status = GetVentoyVolumeName(pPhyDrive->PhyDrive, MBR.PartTbl[1].StartSectorId, DriveLetters, sizeof(DriveLetters), TRUE);
+	Status = GetVentoyVolumeName(pPhyDrive->PhyDrive, (UINT32)StartSector, DriveLetters, sizeof(DriveLetters), TRUE);
     if (ERROR_SUCCESS == Status)
     {
         Log("Now lock and dismount volume <%s>", DriveLetters);

Ventoy2Disk/Ventoy2Disk/Utility.c

@@ -588,7 +588,7 @@ int VentoyFillGpt(UINT64 DiskSizeBytes, VTOY_GPT_INFO *pInfo)
     CoCreateGuid(&(Table[1].PartGuid));
     Table[1].StartLBA = Table[0].LastLBA + 1;
     Table[1].LastLBA = Table[1].StartLBA + VENTOY_EFI_PART_SIZE / 512 - 1;
-    Table[1].Attr = 0xC000000000000001ULL;
+    Table[1].Attr = 0x8000000000000001ULL;
     memcpy(Table[1].Name, L"VTOYEFI", 7 * 2);
 
 #if 0