Fixed bad formating

Author: michaelvanstraten

compiler/rustc_expand/src/proc_macro_server.rs

@@ -640,10 +640,7 @@ impl server::Span for Rustc<'_, '_> {
         let relative_start_pos = source_map.lookup_byte_offset(span.lo()).pos;
         let relative_end_pos = source_map.lookup_byte_offset(span.hi()).pos;
 
-        Range {
-            start: relative_start_pos.0 as usize,
-            end: relative_end_pos.0 as usize
-        }
+        Range { start: relative_start_pos.0 as usize, end: relative_end_pos.0 as usize }
     }
 
     fn start(&mut self, span: Self::Span) -> LineColumn {