Fix switch codegen: indentation is already added.

lib/compiler/implementation/ssa/codegen.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class SsaCodeGeneratorTask extends CompilerTask {
   final JavaScriptBackend backend;
   SsaCodeGeneratorTask(JavaScriptBackend backend)
       : this.backend = backend,
         super(backend.compiler);
   String get name() => 'SSA code generator';
@@ skipping 610 matching lines @@
     if (!isExpression) {
       generateStatements(info.expression);
     }
     addIndentation();
     for (LabelElement label in info.labels) {
       if (label.isTarget) {
         writeLabel(label);
         buffer.add(":");
       }
     }
-    addIndented("switch (");
+    buffer.add("switch (");
     if (isExpression) {
       generateExpression(info.expression);
     } else {
       use(info.expression.conditionExpression,
           JSPrecedence.EXPRESSION_PRECEDENCE);
     }
     buffer.add(") {\n");
     indent++;
     for (int i = 0; i < info.matchExpressions.length; i++) {
       for (Constant constant in info.matchExpressions[i]) {
@@ skipping 2158 matching lines @@
       startBailoutSwitch();
     }
   }
 
   void endLabeledBlock(HLabeledBlockInformation labeledBlockInfo) {
     if (labeledBlockInfo.body.start.hasGuards()) {
       endBailoutSwitch();
     }
   }
 }