Fixes for karaf 4.2.1 CLI annotations for segment routing app

Change-Id: Id3722bf49c37fe480ab8973c228987cc526804b3
diff --git a/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java b/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
index fb1705c..2bb28b0 100644
--- a/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
+++ b/app/src/main/java/org/onosproject/segmentrouting/cli/PseudowireRemoveCommand.java
@@ -18,6 +18,7 @@
 
 import org.apache.karaf.shell.api.action.Argument;
 import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Completion;
 import org.apache.karaf.shell.api.action.lifecycle.Service;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.segmentrouting.SegmentRoutingManager;
@@ -38,6 +39,7 @@
     @Argument(index = 0, name = "pwId",
             description = "pseudowire ID",
             required = true, multiValued = false)
+    @Completion(PseudowireIdCompleter.class)
     String pwId;
 
     @Override