[ONOS-4547, ONOS-4566, ONOS-4575, ONOS-4582, ONOS-4581, ONOS-4600,
ONOS-4598, ONOS-4607, ONOS-4610, ONOS-4611] Prefix addition from config
 and defect fixes.

Change-Id: Ieaab5d3e0fe9a1bfa24a2527eeec5435cf0a1b85
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java
index 6227126..41a8fef 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/utils/RestrictionResolver.java
@@ -99,11 +99,11 @@
             }
 
             if (rangeBoundary.length == MIN_RANGE_BOUNDARY) {
-                startInterval = rangeBoundary[0];
-                endInterval = rangeBoundary[0];
+                startInterval = rangeBoundary[0].trim();
+                endInterval = rangeBoundary[0].trim();
             } else {
-                startInterval = rangeBoundary[0];
-                endInterval = rangeBoundary[1];
+                startInterval = rangeBoundary[0].trim();
+                endInterval = rangeBoundary[1].trim();
             }
 
             try {
@@ -186,11 +186,11 @@
             }
 
             if (rangeBoundary.length == MIN_RANGE_BOUNDARY) {
-                startInterval = rangeBoundary[0];
-                endInterval = rangeBoundary[0];
+                startInterval = rangeBoundary[0].trim();
+                endInterval = rangeBoundary[0].trim();
             } else {
-                startInterval = rangeBoundary[0];
-                endInterval = rangeBoundary[1];
+                startInterval = rangeBoundary[0].trim();
+                endInterval = rangeBoundary[1].trim();
             }
 
             try {