From 4465fe1890d445f787fca4f31ceb680878676ae0 Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Mon, 22 Sep 2014 12:47:26 -0700
Subject: [PATCH] respond to code review comments

---
 src/compiler/emitter.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index af1190d27b9..397ae1791a8 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -617,7 +617,9 @@ module ts {
                     function serializeStringArray(list: string[]): string {
                         var output = "";
                         for (var i = 0, n = list.length; i < n; i++) {
-                            if (i) output += ",";
+                            if (i) {
+                                output += ",";
+                            }
                             output += "\"" + escapeString(list[i]) + "\"";
                         }
                         return output;