adding missing import that should have been part of commit b28749f

Murali Reddy · Murali Reddy · commit ff81fda4e0b4 · 2012-09-17T13:18:32.000+05:30
diff --git a/server/src/com/cloud/upgrade/dao/Upgrade302to40.java b/server/src/com/cloud/upgrade/dao/Upgrade302to40.java
@@ -31,6 +31,7 @@
 import com.cloud.utils.crypt.DBEncryptionUtil;
 import com.cloud.utils.exception.CloudRuntimeException;
 import com.cloud.utils.script.Script;
+import com.cloud.dc.DataCenter.NetworkType;
 
 public class Upgrade302to40 extends Upgrade30xBase implements DbUpgrade {
     final static Logger s_logger = Logger.getLogger(Upgrade302to40.class);
