Fix closing namespace comments in //net.

net/android/gurl_utils.h

Index: net/android/gurl_utils.h
diff --git a/net/android/gurl_utils.h b/net/android/gurl_utils.h
index aeeecf7b4f4ed71a48547a98d64b2b0ef327facf..310e42ccd5fc18648f044f2b153c4408df8d5082 100644
--- a/net/android/gurl_utils.h
+++ b/net/android/gurl_utils.h
@@ -11,6 +11,6 @@ namespace net {
 
 bool RegisterGURLUtils(JNIEnv* env);
 
-}  // net namespace
+}  // namespace net
 
 #endif  // NET_ANDROID_GURL_UTILS_H_