[ONOS-3737] Bump up checkstyle version from 2.16 to 2.17 with some compilation fixes

Change-Id: I3ade52ff15b3114f5748ab3151c02c8c74af38f0
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteTENodeDescriptorsTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteTENodeDescriptorsTlv.java
index aceb7ea..9e8cea3 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteTENodeDescriptorsTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteTENodeDescriptorsTlv.java
@@ -185,7 +185,7 @@
      * @return object of RemoteTENodeDescriptorsTLV
      * @throws PcepParseException if mandatory fields are missing
      */
-    public static PcepValueType read(ChannelBuffer c , short length) throws PcepParseException {
+    public static PcepValueType read(ChannelBuffer c, short length) throws PcepParseException {
 
         // Node Descriptor Sub-TLVs (variable)
         LinkedList<PcepValueType> llRemoteTENodeDescriptorSubTLVs = new LinkedList<>();