[ONOS-5141],[ONOS-5142],[ONOS-5165],[ONOS-4881],[ONOS-4889],[ONOS-5104],[ONOS-5138] defect fixes

Change-Id: I435dc0cf9afae7230fc98b57f33af104e0e38e67
diff --git a/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BelongsToListener.java b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BelongsToListener.java
index ab12d46..4f7ecf8 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BelongsToListener.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/listeners/BelongsToListener.java
@@ -93,6 +93,7 @@
         int errorPosition = ctx.getStart().getCharPositionInLine();
         belongstoNode.setLineNumber(errorLine);
         belongstoNode.setCharPosition(errorPosition);
+        belongstoNode.setFileName(listener.getFileName());
 
         // Push belongsto into the stack.
         listener.getParsedDataStack().push(belongstoNode);