Merge remote-tracking branch 'mdroth/qga-pull-4-2-13' into staging # By Laszlo Ersek (2) and others # Via Michael Roth * mdroth/qga-pull-4-2-13: qemu-ga: ga_get_fd_handle(): abort if fd_counter overflows qga schema: document generic QERR_UNSUPPORTED qga schema: mark optional GuestLogicalProcessor.can-offline with #optional qga: add windows implementation for guest-set-time qga: add windows implementation for guest-get-time