changed nhc tar ball trigger, ie creates: nhc/configure

roles/slurm-common/tasks/installNhc.yml

@@ -2,7 +2,7 @@
   unarchive: copy=yes src="files/warewulf-nhc-1.4.2.patched.tar.gz" dest=/tmp
   sudo: true
   args:
-     creates: /tmp/warewulf-nhc-{{ nhc_version }}
+     creates: /tmp/warewulf-nhc-{{ nhc_version }}/configure
 
 #- name: Download nhc source  
 #  shell: wget https://cvl.massive.org.au/warewulf-nhc-{{ nhc_version }}.tar.gz