Fix formatting issues

Some of the formatting issues which brought by the
earlier commit(clang-formatting) is fixed with this
commit.

Signed-off-by: Ratan K Gupta <ratagupt@linux.vnet.ibm.com>
diff --git a/vlan_interface.cpp b/vlan_interface.cpp
index 6ef1a0c..1b4eaee 100644
--- a/vlan_interface.cpp
+++ b/vlan_interface.cpp
@@ -56,14 +56,10 @@
         elog<InternalFailure>();
     }
 
-    stream << "["
-           << "NetDev"
-           << "]\n";
+    stream << "[NetDev]\n";
     stream << "Name=" << EthernetInterface::interfaceName() << "\n";
-    stream << "Kind=vlan"
-           << "\n";
-    stream << "[VLAN]"
-           << "\n";
+    stream << "Kind=vlan\n";
+    stream << "[VLAN]\n";
     stream << "Id=" << id() << "\n";
     stream.close();
 }