Merge pull request #2172 from Obihoernchen/patch-1

Fix mknb: Undefined subroutine noderange

xCAT-server/lib/xcat/plugins/mknb.pm

@@ -3,6 +3,7 @@ use strict;
 use File::Temp qw(tempdir);
 use xCAT::Utils;
 use xCAT::TableUtils;
+use xCAT::NodeRange;
 use File::Path;
 use File::Copy;