[ONOS-4670] Removal of Data Model dependencies on Linker

Change-Id: I3f9c5af30198ea31d743e06cea1764dcb306ec32
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangStringRestriction.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangStringRestriction.java
index 2a2ebf4..a701b64 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangStringRestriction.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/YangStringRestriction.java
@@ -19,7 +19,7 @@
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.parser.Parsable;
 import org.onosproject.yangutils.utils.YangConstructType;
-import org.onosproject.yangutils.utils.builtindatatype.YangUint64;
+import org.onosproject.yangutils.datamodel.utils.builtindatatype.YangUint64;
 
 /*-
  * Reference RFC 6020.