Fixing completion config

- AnnotateDeviceCommand takes device ID only on 1st parameter

Change-Id: Ib51efad6559a2faa5cbf7955698dc45e9b5a43c3
diff --git a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 28461e2..cf76feb 100644
--- a/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/cli/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -146,6 +146,8 @@
             <action class="org.onosproject.cli.net.AnnotateDeviceCommand"/>
             <completers>
                 <ref component-id="deviceIdCompleter"/>
+                <null/>
+                <null/>
             </completers>
         </command>