Re-order imports

src/export/asciidoc.rs

@@ -1,11 +1,10 @@
-use super::Exporter;
+use std::io::Result;
 
+use super::Exporter;
 use crate::benchmark_result::BenchmarkResult;
 use crate::format::format_duration_value;
 use crate::units::Unit;
 
-use std::io::Result;
-
 #[derive(Default)]
 pub struct AsciidocExporter {}