Fix for UNIXGCC build

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10483 6f19259b-4bc3-4df7-8a09-765794883524
diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
index b7efceb..bd926d3 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
@@ -514,7 +514,7 @@
       mEfiAcpiMaxNumTables * sizeof (UINT32) +

       sizeof (EFI_ACPI_DESCRIPTION_HEADER) +         // for ACPI 2.0/3.0 XSDT

       mEfiAcpiMaxNumTables * sizeof (UINT64);

-  gBS->FreePages ((EFI_PHYSICAL_ADDRESS)TempPrivateData.Rsdp1, EFI_SIZE_TO_PAGES (TotalSize));

+  gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)TempPrivateData.Rsdp1, EFI_SIZE_TO_PAGES (TotalSize));

   

   //

   // Update the Max ACPI table number