Fix style according to review comments.

src/librustc_errors/diagnostic.rs

@@ -307,10 +307,10 @@ impl Diagnostic {
         suggestion: Vec<(Span, String)>,
     ) -> &mut Self {
         self.multipart_suggestion_with_applicability(
-                                                     msg,
-                                                     suggestion,
-                                                     Applicability::Unspecified
-                                                    )
+                                                 msg,
+                                                 suggestion,
+                                                 Applicability::Unspecified,
+        )
     }
 
     /// Prints out a message with multiple suggested edits of the code.

src/librustc_errors/diagnostic_builder.rs

@@ -172,9 +172,10 @@ impl<'a> DiagnosticBuilder<'a> {
                                                   -> &mut Self);
 
     #[deprecated(note = "Use `span_suggestion_short_with_applicability`")]
-    forward!(pub fn span_suggestion_short(&mut self,
-                                          sp: Span,
-                                          msg: &str,
+    forward!(pub fn span_suggestion_short(
+                                      &mut self,
+                                      sp: Span,
+                                      msg: &str,
                                           suggestion: String)
                                           -> &mut Self);