Milo console importer: fix small bug

milo/common/config.go

 // Copyright 2016 The LUCI Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 325 matching lines @@
         })
         if err != nil {
                 merr = append(merr, err)
         } else if err := datastore.Delete(c, toDelete); err != nil {
                 merr = append(merr, err)
         }
 
         // Print some stats.
         processedConsoles := 0
         for _, cons := range knownProjects {
-                processedConsoles += cons.Len()
+                if cons != nil {
+                        processedConsoles += cons.Len()
+                }
         }
         logging.Infof(
                 c, "processed %d consoles over %d projects", len(knownProjects), processedConsoles)
 
         if len(merr) == 0 {
                 return nil
         }
         return merr
 }
 
@@ skipping 12 matching lines @@
 // GetConsole returns the requested console.
 func GetConsole(c context.Context, proj, id string) (*Console, error) {
         // TODO(hinoka): Memcache this.
         con := Console{
                 Parent: datastore.MakeKey(c, "Project", proj),
                 ID:     id,
         }
         err := datastore.Get(c, &con)
         return &con, err
 }