fix minor indentation issue + remove unused import

Author: humenda

compiler/rustc_codegen_ssa/src/back/linker.rs

@@ -1418,9 +1418,10 @@ impl<'a> L4Bender<'a> {
             L4Bender::split_cmd_args(&mut cmd, &l4_ld_opts);
         }
 
-        L4Bender { cmd: cmd,
-        sess: sess,
-        hinted_static: false,
+        L4Bender {
+            cmd: cmd,
+            sess: sess,
+            hinted_static: false,
         }
     }
 

compiler/rustc_target/src/spec/l4re_base.rs

@@ -1,5 +1,5 @@
-use crate::spec::{LinkerFlavor, PanicStrategy, TargetOptions};
-//use std::process::Command;
+use crate::spec::{LinkArgs, LinkerFlavor, PanicStrategy, TargetOptions};
+use std::default::Default;
 
 pub fn opts() -> TargetOptions {
     TargetOptions {