add nodnsupdate hook for RedHat

roles/dnsmasq/tasks/main.yml

@@ -61,5 +61,10 @@
 
 - name: disable resolv.conf modification by dhclient
   copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient-enter-hooks.d/nodnsupdate mode=u+x backup=yes
+  when: ansible_os_family == "Debian"
+
+- name: disable resolv.conf modification by dhclient
+  copy: src=dhclient_nodnsupdate dest=/etc/dhcp/dhclient.d/nodnsupdate mode=u+x backup=yes
+  when: ansible_os_family == "RedHat"
 
 - meta: flush_handlers