OvmfPkg/QemuVideoDxe/VbeShim: rename Status to Segment0AllocationStatus
OvmfPkg/QemuVideoDxe/VbeShim: rename Status to Segment0AllocationStatus

This clarifies the purpose of the local variable in InstallVbeShim().

Cc: Aleksei Kovura <aba353bbf052a3c5d4e52086120ee4229ac5bc58@zoho.com>
Cc: Gerd Hoffmann <cad73e70082427fddc9be3baaf34e698dffd21c0@redhat.com>
Cc: Igor Mammedov <376726f239c919d31d97c9332191663ab16d47b5@redhat.com>
Cc: Jordan Justen <a79006884ba9cf5f4f7fcbb92a15b208780d8c97@intel.com>
Cc: Ruiyu Ni <9fa3a6894a36bca79e6a72ad65af5a5702efecd1@intel.com>
Ref: https://bugs.launchpad.net/qemu/+bug/1715700
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <7437296077edea1cb64451c122c4dac071f0cfbc@redhat.com>
Tested-by: Aleksei Kovura <aba353bbf052a3c5d4e52086120ee4229ac5bc58@zoho.com>
Reviewed-by: Jordan Justen <a79006884ba9cf5f4f7fcbb92a15b208780d8c97@intel.com>

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