bare10 even more polish

examples/bare10.rs

@@ -95,7 +95,6 @@ const APP: () = {
         // }
     }
 
-
     #[task(priority = 1, resources = [ITM])]
     fn trace_error(cx: trace_error::Context, error: Error) {
         let stim = &mut cx.resources.ITM.stim[0];
@@ -112,7 +111,7 @@ const APP: () = {
     }
 
     #[task(binds = USART2, priority = 3, resources = [RX], spawn = [trace_data, trace_error, echo])]
-    fn usart2(cx:usart2::Context) {
+    fn usart2(cx: usart2::Context) {
         let rx = cx.resources.RX;
 
         match rx.read() {