Fix typo in command line unit test.

Review URL: http://codereview.chromium.org/7025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@3246 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/command_line_unittest.cc b/base/command_line_unittest.cc
index 4319b4da..a6364ec 100644
--- a/base/command_line_unittest.cc
+++ b/base/command_line_unittest.cc
@@ -120,7 +120,7 @@
   EXPECT_EQ(value, cl.GetSwitchValue(switch2));
   EXPECT_TRUE(cl.HasSwitch(switch3));
   EXPECT_EQ(value3, cl.GetSwitchValue(switch3));
-  EXPECT_TRUE(cl.HasSwitch(switch2));
+  EXPECT_TRUE(cl.HasSwitch(switch4));
   EXPECT_EQ(value4.substr(1, value4.length() - 2), cl.GetSwitchValue(switch4));
 }
 #endif