migration: show pause/recover state on dst host

These two states will be missing when doing "query-migrate" on
destination VM.  Add these states so that we can get the query results
as expected.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180710091902.28780-5-peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

migration/migration.c

@@ -911,6 +911,8 @@ static void fill_destination_migration_info(MigrationInfo *info)
     case MIGRATION_STATUS_CANCELLED:
     case MIGRATION_STATUS_ACTIVE:
     case MIGRATION_STATUS_POSTCOPY_ACTIVE:
+    case MIGRATION_STATUS_POSTCOPY_PAUSED:
+    case MIGRATION_STATUS_POSTCOPY_RECOVER:
     case MIGRATION_STATUS_FAILED:
     case MIGRATION_STATUS_COLO:
         info->has_status = true;