Merge topic 'cmuvprocesschain' into release-3.28 adb3e13d32 cmUVProcessChain: Tolerate fileno() of invalid FILE stream b6e4e4babc cmUVProcessChain: Simplify SetExternalStream usage 116bb2b70f cmUVProcessChain: Simplify builder initialization d32c30906a Tests: Add missing include in testUVProcessChainHelper on Windows Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !9181