progress: Allow regressing progress
Progress may regress; this should be displayed correctly by qemu_progress_print(). While touching that area of code, drop the redundant parentheses in the same condition. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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