Fix spacing.

src/compiler/commandLineParser.ts

@@ -56,14 +56,14 @@ namespace ts {
             category: Diagnostics.Command_line_Options,
             description: Diagnostics.Stylize_errors_and_messages_using_color_and_context_experimental
         },
-    {
-        name: "diagnosticStyle",
-        type: createMapFromTemplate({
-            auto: DiagnosticStyle.Auto,
-            pretty: DiagnosticStyle.Pretty,
-            simple: DiagnosticStyle.Simple,
-        }),
-    },
+        {
+            name: "diagnosticStyle",
+            type: createMapFromTemplate({
+                auto: DiagnosticStyle.Auto,
+                pretty: DiagnosticStyle.Pretty,
+                simple: DiagnosticStyle.Simple,
+            }),
+        },
         {
             name: "preserveWatchOutput",
             type: "boolean",

src/compiler/tsc.ts

@@ -27,7 +27,7 @@ namespace ts {
     function shouldBePretty(options: CompilerOptions) {
         if ((typeof options.pretty === "undefined" && typeof options.diagnosticStyle === "undefined") || options.diagnosticStyle === DiagnosticStyle.Auto) {
             return !!sys.writeOutputIsTty && sys.writeOutputIsTty();
-    }
+        }
         return options.diagnosticStyle === DiagnosticStyle.Pretty || options.pretty;
     }