Various small fixes

Change-Id: I83802169d0d968f7b88d4be2cedba74b15fdd7da
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6RouterIdofRemoteNodeSubTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6RouterIdofRemoteNodeSubTlv.java
index 1512aa2..021da71 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6RouterIdofRemoteNodeSubTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/IPv6RouterIdofRemoteNodeSubTlv.java
@@ -79,7 +79,7 @@
         boolean bFoundNoMask = true;
         //value starts from 3rd byte.
         for (int i = 2; i < 20; ++i) {
-            if (0xFF != raw[i]) {
+            if ((byte) 0xFF != raw[i]) {
                 bFoundNoMask = false;
             }
         }