commit diff sometimes includes namespace in output

[krihal]

172.18.0.100:
   <system>
+     <config>
+        <hostname>foo</hostname>
+     </config>
   </system>
172.18.0.101:
   <system>
+     <config>
+        <hostname>foo</hostname>
+     </config>
   </system>
172.18.0.102:
+  <system xmlns="http://openconfig.net/yang/system">
+     <config>
+        <hostname>foo</hostname>
+     </config>
+  </system>
172.18.0.103:
   <system>
+     <config>
+        <hostname>foo</hostname>
+     </config>
   </system>
172.18.0.104:
   <system>
+     <config>
+        <hostname>foo</hostname>
+     </config>
   </system>

[olofhagsand]

Fixed by: clicon/clixon@0a72432
Please review

[krihal]

Namespace now included for all.