Fixed subVars to skip the first argument.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6162 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/perl/xCAT/SvrUtils.pm

@@ -915,6 +915,7 @@ sub get_nodename_from_request()
 # we do this sparingly...  We don't like tons of hits
 # to the database.
 sub subVars {
+        shift; #toss the class name
         my $dir = shift;
         my $node = shift;
         my $type = shift;