Fix compile error when USE_CHROME_NETWORK_PROXY is not set.
am: 209e57a848

Change-Id: I2affbe022cfc1c11bf2065d8050f625c7b2978f7
diff --git a/real_system_state.cc b/real_system_state.cc
index b3ec06d..d99e658 100644
--- a/real_system_state.cc
+++ b/real_system_state.cc
@@ -151,7 +151,7 @@
 #if USE_CHROME_NETWORK_PROXY
                           network_proxy_service_proxy_.get()));
 #else
-                          nullptr)));
+                          nullptr));
 #endif  // USE_CHROME_NETWORK_PROXY
 
   // Initialize the UpdateAttempter before the UpdateManager.